Wikipedia:WikiProject Mathematics/List of mathematicians (C)
- Caballe, Eduardo Torroja (Spain, 1847–1918)
- Cabeo, Niccolò (Italy, 1586–1650)
- de Cabezón, Eduardo Sáenz (?, ?–?)
- Cabras, Angelina (Italy, 1898–1993)
- Cabreira, António (Portugal, 1868–1953)
- Caccioppoli, Renato (Italy, 1904–1959)
- de Caen, Dominique (Canada, 1956–2002)
- Caffarelli, Luis (Argentina, born 1948)
- Cafiero, Federico (Italy, 1914–1980)
- Caflisch, Russel E. (United States, born 1954)
- Caginalp, Gunduz (USA, 1952–2021)
- Cagnoli, Antonio (Italy, 1743–1816)
- Cai, T. Tony (US, ?–?)
- Caird, James Key (?, ?–?)
- Cajori, Florian (United States, 1859–1930)
- Cakoni, Fioralba (Albania/USA, ?–?)
- Calabi, Eugenio (United States, 1923–2023)
- Calandrini, Jean-Louis (Switzerland, 1703–1758)
- Calculators, Oxford (Medieval England, ?–?)
- Calderbank, Robert (United States, born 1954)
- Calderer, Maria-Carme (?, ?–?)
- Calderón, Alberto (Argentina, 1920–1998)
- Calderwood, Nora (Scotland, 1896–1985)
- Caldwell, Chris (?, ?–?)
- Caldwell, James (Ireland, born 1943)
- Caldwell, Joseph (United States, 1773–1835)
- Calegari, Danny (USA/Australia, born 1972)
- Calegari, Frank (?, ?–?)
- Calkin, John Williams (?, 1909–1964)
- Callahan, Jeremiah J. (United States, 1878–1969)
- Callippus (Ancient Greece, 370s BC–300s BC)
- Calude, Cristian S. (New Zealand/Romania, born 1952)
- Calvez, Vincent (France, born 1981)
- Le Cam, Lucien (France, 1924–2000)
- Camacho, César (Brazil, born 1943)
- Camacho, Erika Tatiana (USA, born 1974)
- Cameron, J. F. (Britain, 1873–1952)
- Cameron, Jessie Forbes (Britain, 1883–1968)
- Cameron, Peter (Australia, born 1947)
- Cameron, Robert Horton (United States, 1908–1989)
- Campanato, Sergio (Italy, 1930–2005)
- Campanus, Johannes (Italy, 1220s–1296)
- Campbell, Eddy (Canada, ?–?)
- Campbell, John Edward (Ireland, 1862–1924)
- Campbell, Lucy (mathematician) (Canada, ?–?)
- Campbell, Patricia (?, ?–?)
- Campi, Marco Claudio (Italy, ?–?)
- Campion, Harry (England, 1905–1996)
- Camus, Charles Étienne Louis (France, 1699–1768)
- Canard, Nicolas-François (France, 1750–1833)
- Canary, Richard (USA, born 1962)
- Candelas, Philip (Britain, born 1951)
- Candès, Emmanuel (France, born 1970)
- Candido, Giacomo (Italy, 1871–1941)
- Čanić, Sunčica (Croatia, ?–?)
- Canjar, R. Michael (United States, 1953–2012)
- Cannon, James (United States, 1740–1782)
- Cannon, James W. (United States, born 1943)
- Cantelli, Francesco Paolo (Italy, 1875–1966)
- Cantius, John (?, 1390–1473)
- Cantone, Oberto (Italy, ?–?)
- Cantor, David G. (USA, 1935–2012)
- Cantor, Georg (Germany, 1845–1918)
- Cantor, Moritz (Germany, 1829–1920)
- Canzani, Yaiza (Spain/Uruguay, ?–?)
- Cao, Huai-Dong (China, born 1959)
- Cao, Jinde (China, ?–?)
- Cape, Jonathan (England, 1793–1868)
- Capella, Martianus (?, ?–?)
- Capelli, Alfredo (Italy, 1855–1910)
- Capildeo, Rudranath (?, 1920–1970)
- Capitaine, Mireille (France, ?–?)
- Caporaso, Lucia (Italy, ?–?)
- Cappell, Sylvain (United States, born 1946)
- Capra, Baldassarre (Italy, 1580–1626)
- Caraiani, Ana (Romania, ?–?)
- Carandino, Giovanni (Greece, 1784–1834)
- Carathéodory, Constantin (Greece, 1873–1950)
- Caravaggio, Pietro Paolo (Italy, ?–?)
- Carbone, Alessandra (Italy, ?–?)
- Carbonnelle, Ignatius (Belgium, 1829–1889)
- de Carcavi, Pierre (?, 1603–1684)
- Cardano, Fazio (Italy, 1444–1524)
- Cardano, Gerolamo (Italy, 1501–1576)
- Caritat, Marie Jean Antoine Nicolas, marquis de Condorcet (France, 1743–1794)
- Carleman, Torsten (Sweden, 1892–1949)
- Carlen, Eric Anders (?, ?–?)
- Carleson, Lennart (Sweden, born 1928)
- Carlier, Guillaume (France, ?–?)
- Carlitz, Leonard (United States, 1907–1999)
- Carlo, Ria (United States, ?–?)
- Carlson, Fritz (Sweden, 1888–1952)
- Carlson, Sally Elizabeth (USA, 1896–2000)
- Carlsson, Gunnar (Sweden, born 1952)
- Carlyle, Thomas (Scotland, 1795–1881)
- del Carmen Martínez Sancho, María (Spain, 1901–1995)
- Carmichael, Robert Daniel (United States, 1879–1967)
- do Carmo, Manfredo (Brazil, 1928–2018)
- Carnap, Rudolf (USA/Germany, 1891–1970)
- Carnielli, Walter (Brazil, born 1952)
- Carnot, Lazare (France, 1753–1823)
- Carnot, Nicolas Léonard Sadi (France, 1796–1832)
- Carpenter, Gail (United States, ?–?)
- Carpenter, Nathanael (England, 1580s–1628)
- Carpus of Antioch (Ancient Greece, ?–?)
- Carr, G. S. (England, 1837–1914)
- Carr, Henry Rawlingson (Nigeria, 1863–1945)
- Carré, Louis (France, 1663–1711)
- Carrell, James B. (Canada, born 1940)
- Carrier, George F. (United States, 1918–2002)
- Carrillo, José A. (Spain, born 1969)
- Carriquiry, Alicia L. (Uruguay/USA, ?–?)
- Carroll, Gabriel (United States, born 1982)
- Carroll, Lewis (England, 1832–1898)
- Carroll, Naomi (Ireland, born 1992)
- Carslaw, Horatio Scott (Australia/Scotland, 1870–1954)
- Cartan, Anna (France, 1878–1923)
- Cartan, Élie (France, 1869–1951)
- Cartan, Henri (France, 1904–2008)
- Carter, Roger (Britain, 1934–2022)
- Cartier, Pierre (France, 1932–2024)
- Cartis, Coralia (Romania, ?–?)
- Cartwright, Mary (Britain, 1900–1998)
- de Carvalho, Domitila (Portugal, 1866–1977)
- Carvallo, Emmanuel (France, ?–?)
- Carver, Harry C. (United States, 1890–1977)
- di Casali, Giovanni (Italy, ?–1370s)
- Casamayor, María Andrea (Spain, 1700–1780)
- Casas-Alvero, Eduardo (Spain, born 1948)
- Casati, Paolo (Italy, 1617–1707)
- Casazza, Peter G. (United States, born 1945)
- Case, Bettye Anne (USA, ?–?)
- Case, Shirley Jackson (Canada, 1872–1947)
- Casey, John (Ireland, 1820–1891)
- Casorati, Felice (Italy, 1835–1890)
- Caspi, Guy (Israel, ?–?)
- Casselman, Bill (?, born 1941)
- Cassels, J. W. S. (England, 1922–2015)
- Cassiano, Iacopo da San (?, ?–?)
- Cassini, Giovanni Domenico (Italy, 1625–1712)
- Cassiodorus (?, 485–585)
- Casson, Andrew (?, born 1943)
- Castel, Louis Bertrand (France, 1688–1757)
- de Casteljau, Paul (France, 1930–2022)
- Castellano, Vittorio (Italy, 1909–1997)
- Castelli, Benedetto (Italy, 1578–1643)
- Castelnuovo, Emma (Italy, 1913–2014)
- Castelnuovo, Guido (Italy, 1865–1952)
- Casti, John (United States, born 1943)
- Castigliano, Carlo Alberto (Italy, 1847–1884)
- Castillo-Chavez, Carlos (USA/Mexico, born 1952)
- Castles, Ian (Australia, ?–?)
- Castonguay, Charles (Canada, born 1940)
- Caswell, Alexis (United States, 1799–1877)
- Caswell, John (England, 1650s–1712)
- Catalan, Eugène Charles (Belgium, 1814–1894)
- Cataldi, Pietro (Italy, 1548–1626)
- Catena, Pietro (Italy, 1501–1577)
- Catlin, Paul A. (United States, 1948–1995)
- Cattaneo, Carlo (Italy, 1911–1979)
- Cauchy, Augustin-Louis (France, 1789–1857)
- Cauer, Wilhelm (Germany, 1900–1945)
- Cavaillès, Jean (France, 1903–1944)
- Cavalieri, Bonaventura (Italy, 1598–1647)
- Cavalleri, Antoine (?, 1698–1765)
- Cave-Browne-Cave, Beatrice Mabel (England, 1874–1947)
- Cave-Browne-Cave, Frances (?, 1876–1965)
- Cayley, Arthur (Britain, 1821–1895)
- Cazacu, Cabiria Andreian (Romania, 1928–2018)
- Cazenave, Anny (?, born 1944)
- Ceaușescu, Zoia (Romania, 1949–2006)
- Čech, Eduard (Czech Republic, 1893–1960)
- de Celaya, Juan (?, 1490–1558)
- Cellarius, Andreas (Netherlands/Germany, 1590s–1665)
- Celledoni, Elena (Italy/Norway, born 1967)
- Celletti, Alessandra (mathematician) (?, born 1962)
- Cendón, Elena Vázquez (Spain, ?–?)
- Censor, Yair (Israel, born 1943)
- Cercignani, Carlo (?, 1939–2010)
- Ceresole, Pierre (Switzerland, 1897–1945)
- Cerf, Jean (?, born 1928)
- Cerf, Raphaël (France, born 1969)
- Cesari, Lamberto (Italy, 1910–1990)
- Cesàro, Ernesto (Italy, 1859–1906)
- Cetti, Francesco (Italy, 1726–1778)
- van Ceulen, Ludolph (Netherlands/Germany, 1540–1610)
- Ceva, Giovanni (Italy, 1647–1734)
- Ceva, Tommaso (Italy, 1648–1737)
- Cha, Meeyoung (South Korea, born 1979)
- Chabauty, Claude (France, 1910–1990)
- Chacón, Pedro (Spain, 1526–1581)
- Chai, Ching-Li (Taiwan, born 1956)
- Chaitin, Gregory (Argentina/USA, born 1947)
- Chakaloff, Ljubomir (Bulgaria, 1886–1963)
- Chakrabarti, M. C. (India, ?–1972)
- Chakravarti, Jadav Chandra (?, 1855–1920)
- Chalabi, Ahmed (Iraq, 1944–2015)
- Challifour, John (?, 1938–2021)
- Chalmers, Thomas (Scotland, 1780–1847)
- Chamberlain, Nira (Britain, born 1969)
- Chamberlin, Richard Eliot (?, 1923–1994)
- de Chambon, Daniel Hay du Chastelet (France, 1596–1671)
- Champernowne, D. G. (England, 1912–2000)
- Chan, Tony F. (Hong Kong, born 1952)
- Chandler, Sue (Britain, ?–?)
- Chandrasekaran, Chidambara (India, 1911–2000)
- Chandrasekaran, Venkat (USA, ?–?)
- Chandrasekhar, Subrahmanyan (India, 1910–1995)
- Chandrasekharan, K. S. (India, 1920–2017)
- Chandy, K. Mani (India, born 1944)
- Chang, Chen Chung (United States, 1927–2014)
- Chang, Jack Yung (?, ?–?)
- Chang, Mei-Chu (United States, ?–?)
- Chang, Sun-Yung Alice (?, born 1948)
- Chanler, Josephine (USA, 1906–1992)
- Chaohao, Gu (China, 1926–2012)
- Chaplygin, Sergey (Russia/Soviet Union, 1869–1942)
- Chapman, Robert William (Australia, 1866–1942)
- Chapman, Sydney (England, 1888–1970)
- Chapple, William (surveyor) (England, 1718–1781)
- Chari, Vyjayanthi (India, ?–?)
- Charles, Enid (Britain, 1894–1972)
- Charlier, Carl (Sweden, 1862–1934)
- Charnes, Abraham (?, 1913–1992)
- Charney, Ruth (United States, ?–?)
- Charpentier, Marie (France, 1903–1994)
- Chartrand, Gary (United States, born 1936)
- Chase, Pliny (USA, 1820–1886)
- Chasles, Michel (France, 1793–1880)
- Châtelet, Albert (France, 1883–1960)
- Châtelet, François (France, 1912–1987)
- Châtelet, Gilles (France, 1944–1999)
- Chatterjee, Sourav (India, born 1979)
- Chatzidakis, Zoé (France, ?–?)
- Châu, Ngô Bảo (Vietnam/France, born 1972)
- Chaudhuri, Probal (India, born 1963)
- Chaum, David (?, ?–?)
- Chaundy, Theodore William (England, 1889–1966)
- Chayes, Jennifer Tour (United States, born 1956)
- Chazy, Jean (France, 1882–1955)
- Chebotaryov, Nikolai (Soviet Union/Russia/Ukraine, 1894–1947)
- Chebyshev, Pafnuty (Russia/Imperial Russia, 1821–1894)
- Cheeger, Jeff (United States, born 1943)
- Chelkak, Dmitry (Russia, born 1979)
- Chemla, Karine (?, born 1958)
- Chen, Bang-Yen (Taiwan/USA, born 1943)
- Chen, Bill (United States, born 1970)
- Chen, Gui-Qiang (United States, born 1963)
- Chen, Jingrun (China, 1933–1996)
- Chen, William Y.C. (China, ?–?)
- Chen, Xiaojun (China, ?–?)
- Chen, Xiuxiong (?, ?–?)
- Chenciner, Alain (France, born 1943)
- Cheney, Jr., Elliott Ward (United States, ?–?)
- Cheng, Eugenia (England, ?–?)
- Cheng, Hung (?, ?–?)
- Cheng, Leslie (?, ?–?)
- Cheng, M. T. (China, 1917–1998)
- Cheng, Maggie (China, ?–?)
- Cheng, Miranda (Netherlands/Taiwan, born 1979)
- Cheng, Shiu-Yuen (Hong Kong, ?–?)
- Chengdong, Pan (China, 1934–1997)
- Cheong, Otfried (South Korea, ?–?)
- Cherednik, Ivan (Russia/USA, born 1953)
- Chéritat, Arnaud (France, born 1975)
- Cheriton, David (Canada, born 1951)
- Chern, Shiing-Shen (United States, 1911–2004)
- Chernac, Ladislaus (Hungary, 1742–1816)
- Chernavskii, Aleksei Viktorovich (?, 1938–2023)
- Chernikov, Sergei Nikolaevich (Russia, 1912–1987)
- Chernoff, Herman (United States, born 1923)
- Chernoff, Paul (?, 1942–2017)
- Chernov, Nikolai (USA, ?–?)
- Cherry, Thomas MacFarland (Australia, 1898–1966)
- Chervonenkis, Alexey (Russia/Soviet Union, 1938–2014)
- Chesnokov, Sergey (Soviet Union/Russia, born 1943)
- Chetaev, Nikolay Gur'yevich (Russia, 1902–1959)
- Chetwynd, Amanda (Britain, ?–?)
- Chevalley, Claude (France, 1909–1984)
- Chevallier, Temple (England, 1794–1873)
- Chew, Lock Yue (?, ?–?)
- Chichilnisky, Graciela (?, ?–?)
- Chigogidze, Alex (?, 1955–2014)
- Chihara, Charles (?, ?–?)
- Chihara, Theodore Seio (United States, born 1929)
- Chike-Obi, Mustafa (Nigeria, ?–?)
- Chinn, Phyllis (?, born 1941)
- Chirikov, Boris (?, 1928–2008)
- Chisholm, John Stephen Roy (England, 1926–2015)
- Chisini, Oscar (Italy, 1889–1967)
- Chisma, Eleazar (?, ?–?)
- Chitrabhanu (?, ?–?)
- Cho, Yong Seung (?, born 1949)
- Choie, YoungJu (South Korea, ?–?)
- Chōjūrō, Koide (Japan, 1797–1865)
- Cholesky, André-Louis (France, 1875–1918)
- Chomsky, Noam (US, born 1928)
- Choquet-Bruhat, Yvonne (France, born 1923)
- Choquet, Gustave (France, 1915–2006)
- Chorin, Alexandre (?, born 1938)
- Chortasmenos, John (?, 1370–1437)
- Choudum, S. A. (?, born 1947)
- Chow, M. D. (China, 1878–1949)
- Chow, Wei-Liang (China, 1911–1995)
- Chow, Yuan-Shih (USA/China, 1924–2022)
- Chowdhury, Khanindra Chandra (?, born 1948)
- Chowla, Sarvadaman (India, 1907–1995)
- Chriss, Neil (United States, ?–?)
- Christ, F. Michael (?, born 1955)
- Christen, Theophil Friedrich (?, 1879–1920)
- Christian of Prachatice (Czech Republic, 1360s–1439)
- Christiani, David (Germany, 1610–1688)
- Christie, Samuel Hunter (Britain, 1784–1865)
- Christin, Jean-Pierre (France, 1683–1755)
- Christison, Alexander (?, 1753–1820)
- Christodoulou, Demetrios (Greece, born 1951)
- Christoffel, Elwin Bruno (Germany, 1829–1900)
- Chrysippus (Ancient Greece, 270s BC–200s BC)
- Chrystal, George (Scotland, 1851–1911)
- Chu, Chia-Kun (?, ?–?)
- Chua, Leon O. (?, born 1936)
- Chuaqui, Rolando (Chile, 1935–1994)
- Chudakov, Nikolai (Russia, 1904–1986)
- Chudnovsky, Maria (Israel, born 1977)
- Chunfeng, Li (Ancient China/Medieval China, 602–670)
- Chung, Fan (United States, born 1949)
- Chuprov, Alexander Alexandrovich (?, 1874–1926)
- Chuquet, Nicolas (Medieval France, 1445–1488)
- Church, Alonzo (United States, 1903–1995)
- Churchhouse, Robert (England, 1927–2018)
- Churchill, Ruel Vance (?, 1899–1987)
- Chuzhoy, Julia (Israel, ?–?)
- Chvátal, Václav (Canada/Czech Republic, born 1946)
- Chwistek, Leon (Poland, 1884–1944)
- Chyba, Monique (?, born 1969)
- Ciabattoni, Agata (Austria, ?–?)
- Ciarlet, Philippe G. (?, born 1938)
- Ciesielski, Zbigniew (Poland, 1934–2020)
- Cigalini, Francesco (Italy, 1489–1551)
- Cimmino, Gianfranco (Italy, 1908–1989)
- Çinlar, Erhan (USA/Turkey, born 1941)
- Cioban, Mitrofan (Moldova, born 1942)
- Cipolla, Michele (Italy, 1880–1947)
- Civil, Marta (?, ?–?)
- Clairaut, Alexis (France, 1713–1765)
- Clapp, Mónica (United States, ?–?)
- Clark, Colin (Britain, 1905–1989)
- Clark, Colin W. (Canada, 1931–2024)
- Clark, John Brown (?, 1861–1947)
- Clarke, Henry (England, 1743–1818)
- Clarke, Joan (?, 1917–1996)
- Clarke, Richard W. B. (Britain, 1910–1975)
- Clarkson, James A. (United States, ?–1970)
- Clatworthy, W. H. (?, 1915–2010)
- Clausen, Thomas (Denmark, 1801–1885)
- Clavius, Christopher (Germany, 1538–1612)
- Clayton, David (Britain, born 1944)
- Claytor, William Schieffelin (?, 1908–1967)
- Clebsch, Alfred (Germany, 1832–1872)
- Clelland, Jeanne N. (?, ?–?)
- Clemens, Herbert (?, born 1939)
- Clement, Margaret (?, 1508–1570)
- Clement, William (academic) (Ireland, 1707–1782)
- Clenshaw, Charles William (?, 1926–2004)
- Cleomedes (Ancient Greece, ?–?)
- Clerke, Gilbert (England, 1626–1697)
- Clermont (France, ?–?)
- Clifford, Alfred H. (United States, 1908–1992)
- Clifford, William Kingdon (Britain, 1845–1879)
- Climescu, Constantin (Romania, 1844–1926)
- du Cloux, Fokko (Netherlands, 1954–2006)
- Clozel, Laurent (France, born 1953)
- Coandă, Constantin (?, 1857–1932)
- Coates, John H. (Australia, 1945–2022)
- Coats, Robert H. (Canada, 1874–1960)
- Cobb, Charles (United States, 1875–1949)
- Cobham, Alan (mathematician) (USA, 1927–2011)
- Coble, Arthur Byron (United States, 1878–1966)
- Cochran, Tim (?, 1955–2014)
- Cochran, William Gemmell (United States/Britain, 1909–1980)
- Cochrane, Donald (?, 1917–1983)
- Cockburn, Sally (Canada, ?–?)
- Cockcroft, Wilfred (England, 1923–1999)
- Cocke, John (United States, 1925–2002)
- Cockle, James (England, 1819–1895)
- Codazzi, Delfino (Italy, 1824–1873)
- Coddington, Earl A. (USA, 1920–1991)
- Coffin, James Henry (United States, 1806–1873)
- Cofman, Judita (Yugoslavia, 1936–2001)
- Coghlan, Fiona (?, born 1981)
- Coghlan, Timothy Augustine (Australia, 1856–1926)
- Cohen-Corwin, Amy (United States, ?–?)
- Cohen, Albert (mathematician) (?, born 1965)
- Cohen, Daniel I. A. (USA, born 1946)
- Cohen, Doris (?, ?–?)
- Cohen, Fred (United States, 1945–2022)
- Cohen, Henri (France, born 1947)
- Cohen, Irvin (United States, 1917–1955)
- Cohen, Jacob (United States, 1923–1998)
- Cohen, Marion (United States, born 1943)
- Cohen, Miriam (Israel, born 1941)
- Cohen, Paul (?, 1934–2007)
- Cohen, Ralph Louis (?, born 1952)
- Cohen, Teresa (United States, 1892–1992)
- Cohen, Wim (Netherlands, 1923–2000)
- Cohn-Vossen, Stefan (Soviet Union, 1902–1936)
- Cohn, Henry (?, ?–?)
- Cohn, Paul (Germany, 1924–2006)
- Coifman, Ronald (Israel, born 1941)
- Cojocaru, Alina Carmen (Romania, ?–?)
- Colbourn, Charles (Canada, born 1953)
- Colburn, Warren (United States, 1793–1833)
- Colding, Tobias (Denmark, born 1960s)
- Cole, Frank Nelson (United States, 1861–1926)
- Cole, Julian (?, 1925–1999)
- Colebrooke, Henry Thomas (?, 1765–1837)
- Colella, Phillip (United States, ?–?)
- Coleman, Robert F. (United States, 1954–2014)
- Coleman, Thomas F. (Canada, ?–?)
- Colenso, John (Britain, 1814–1883)
- Collalto, Antonio (Italy, 1765–1820)
- Collatz, Lothar (Germany, 1910–1990)
- Colletti, Nicolao (Italy, ?–?)
- Colley, Susan Jane (?, born 1959)
- Colliander, James (Canada, born 1967)
- Collier, Agnes Bell (Britain, 1860–1930)
- Collingwood, Edward (England/Britain, 1900–1970)
- Collino, Alberto (Italy, 1947–2010)
- Collins, C. B. (Britain/Canada, ?–?)
- Collins, George E. (USA, 1928–2017)
- Collins, John (England, 1625–1683)
- Collins, Karen L. (?, ?–?)
- Colliot-Thélène, Jean-Louis (France, born 1947)
- Colmez, Coralie (France, ?–?)
- Colmez, Pierre (France, born 1962)
- Colombo, Giuseppe (Italy, 1920–1984)
- Colombo, Maria (mathematician) (Italy, born 1989)
- Colomboni, Angiolo Maria (Italy, 1608–1672)
- Colonnetti, Gustavo (Italy, 1886–1968)
- Colson, John (England, 1680–1760)
- Commandino, Federico (Italy, 1509–1575)
- Compotista, Garlandus (Belgium, ?–?)
- Comrie, Peter (Scotland, 1868–1944)
- Comtino, Mordecai (?, ?–?)
- Conant, Levi L. (United States, 1857–1916)
- Conca, Carlos (Chile, born 1954)
- de Concini, Corrado (Italy, born 1949)
- Conder, Marston (New Zealand, born 1955)
- Conforto, Fabio (Italy, 1909–1954)
- Conley, Charles C. (United States, 1934–1984)
- Conlon, David (Ireland, born 1982)
- Connelly, Robert (United States, ?–?)
- Conner, Pierre (United States, 1932–2018)
- Connes, Alain (France, born 1947)
- Conon of Samos (Ancient Greece, 280s BC–220s BC)
- Conrad, Brian (?, born 1970)
- Conrey, Brian (?, ?–?)
- Consani, Caterina (Italy, born 1963)
- Constantin, Adrian (Austria/Romania, born 1970)
- Cont, Rama (Iran, born 1972)
- Conti, Antonio Schinella (Italy, 1677–1749)
- Conti, Roberto (Italy, 1923–2006)
- Conway, John B. (United States, born 1939)
- Conway, John Horton (England, 1937–2020)
- Coogan, Gwynneth (?, born 1965)
- Cook, Charles (New Zealand, 1843–1910)
- Cook, Earnshaw (?, 1900–1987)
- Cook, Len (New Zealand/Britain, born 1949)
- Cook, Matthew (United States, born 1970)
- Cook, Pamela (?, ?–?)
- Cook, William J. (United States, born 1957)
- Cook, William Richard Joseph (England, 1905–1987)
- Cooke, George Leigh (England, 1770s–1853)
- Cooley, James (United States, 1926–2016)
- Coolidge, Julian (United States, 1873–1954)
- Coombs, Allen (?, 1911–1995)
- Coonce, Harry (United States, born 1939)
- Cooper, Curtis (?, ?–?)
- Cooper, Josh (?, 1901–1981)
- Cooper, Lionel (South Africa, 1915–1979)
- Cooper, S. Barry (Britain, 1943–2015)
- Copeland, Arthur Herbert (United States, 1898–1970)
- Copeland, Jack (?, born 1950)
- Copernicus, Nicolaus (Poland, 1473–1543)
- Coppersmith, Don (United States, ?–?)
- Copson, Edward (Britain, 1901–1980)
- Coquand, Thierry (France, born 1961)
- Le Corbeiller, Philippe (France, 1891–1980)
- Corcoran, John (USA, 1937–2021)
- Cordeiro, Gauss Moutinho (Brazil, born 1952)
- Cordero, Minerva (?, ?–?)
- de Cordoba, Joaquín Lloréns Fernández (Spain, 1854–1930)
- Corduneanu, Constantin (Romania, 1928–2018)
- Corfield, Charles (Britain, ?–?)
- Coriolis, Gaspard-Gustave (France, 1792–1843)
- Çorlulu, Nilüfer Çınar (Turkey, born 1962)
- Cormack, Lesley (Canada, born 1957)
- Corneil, Derek (Canada, born 1942)
- Cornfield, Jerome (United States, 1912–1979)
- Cornish, Edmund Alfred (Australia, 1909–1973)
- Cornut, Théodore (?, ?–?)
- Corominas, Ernest (Spain/France, 1913–1992)
- Coron, Jean-Michel (France, born 1956)
- van der Corput, Johannes (Netherlands, 1890–1975)
- Correa, Gustavo (Colombia, ?–?)
- Corrigan, Ed (Britain, born 1946)
- Corry, Leo (Israel, born 1956)
- Corteel, Sylvie (France, ?–?)
- Cortés, Jerónimo (Spain, ?–1611)
- Cortez, Ricardo (mathematician) (USA, ?–?)
- Corti, Alessio (Italy, born 1965)
- Cortier, Véronique (France, ?–?)
- Corwin, Ivan (?, born 1984)
- Cosgrave, John B. (Ireland, born 1946)
- Cossali, Pietro (Italy, 1748–1815)
- Cosserat, Eugène (France, 1866–1931)
- Cosserat, François (France, 1852–1914)
- Costa, Celso (Brazil, born 1949)
- da Costa, Newton (Brazil, 1929–2024)
- Costaz, Louis (France, 1767–1842)
- Costello, Kevin (Ireland, ?–?)
- Cotes, Roger (England, 1682–1716)
- Cotlar, Mischa (Argentina, 1912–2007)
- Cottle, Richard W. (USA, born 1934)
- Cotton, Émile (France, 1872–1950)
- Couffignal, Louis (France, 1902–1966)
- Coulomb, Jean (?, 1904–1999)
- von Count, Count (Romania, ?–?)
- Courant, Richard (United States/Germany, 1888–1972)
- Courant, Theodore James (USA, ?–?)
- Courcelle, Bruno (France, ?–?)
- Cournot, Antoine Augustin (France, 1801–1877)
- Court, Nathan Altshiller (United States, 1881–1968)
- Courtois, Nicolas (?, ?–?)
- Couturat, Louis (France, 1868–1914)
- Cover, Thomas M. (USA, 1938–2012)
- Coveyou, Robert (United States, 1915–1996)
- Covington, Judith (?, ?–?)
- Cowley, Elizabeth Buchanan (?, 1874–1945)
- Cowley, John Lodge (England, 1719–1787)
- Cowling, Michael (Australia, born 1949)
- Cox, David (England, 1924–2022)
- Cox, David A. (United States, born 1948)
- Cox, Elbert Frank (United States, 1895–1969)
- Cox, Gertrude Mary (United States, 1900–1978)
- Cox, Homersham (England, 1821–1897)
- Cox, Homersham (mathematician) (?, 1857–1918)
- Cox, Richard Threlkeld (US, 1898–1991)
- Coxeter, Harold Scott MacDonald (England/Canada, 1907–2003)
- Crabtree, William (England, 1610–1644)
- Craig, James Ireland (Scotland, 1868–1952)
- Craig, John (Scotland, 1663–1731)
- Craig, Walter (Canada, 1953–2019)
- Crainic, Marius (Romania, born 1973)
- Cramer, Gabriel (Switzerland, 1704–1752)
- Cramér, Harald (Sweden, 1893–1985)
- Cramer, Mars (Netherlands, 1928–2014)
- Crandall, Michael G. (United States, born 1940)
- Crandall, Richard (?, ?–?)
- Crane, Eva (Britain, 1912–2007)
- Crank, John (Britain, 1916–2006)
- Cranke, John (?, 1746–1816)
- Crato, Nuno (Portugal, born 1952)
- Crawford, John David (USA, 1954–1998)
- Crawford, Lawrence (Scotland, 1867–1951)
- Crelier, Louis (Switzerland, 1873–1935)
- Crelle, August Leopold (Germany, 1780–1855)
- Cremers, Armin B. (Germany, born 1946)
- Cremona, Luigi (Italy, 1830–1903)
- Crescenzi, Alexander (?, ?–?)
- Cresswell, Daniel (England, 1776–1844)
- Crichton, James (Scotland, 1560–1582)
- Crighton, David (?, 1942–2000)
- Crisfield, Michael Anthony (Britain, 1942–2002)
- Crofton, Morgan (Ireland, 1826–1915)
- Crome, August Friedrich Wilhelm (Germany, 1753–1833)
- Crosley, John (England, 1762–1817)
- Crossley, John Newsome (England/Australia, born 1937)
- Crous, Marie (France, ?–?)
- Crout, Prescott Durand (United States, 1907–1984)
- Crowley, James (mathematician) (USA, ?–?)
- Crüger, Peter (Germany, 1580–1639)
- Cruickshank, John (mathematician) (Scotland, 1787–1875)
- Crumeyrolle, Albert (France, 1919–1992)
- de la Cruz, Juana Inés (?, 1651–1695)
- Cruzeiro, Ana Bela (Portugal/Switzerland, born 1957)
- Császár, Ákos (Hungary, 1924–2017)
- Csere, János Apáczai (Hungary, 1625–1659)
- Csiszár, Imre (Hungary, born 1938)
- Csörgő, Sándor (Hungary, 1947–2008)
- Csörnyei, Marianna (Hungary, born 1975)
- Ctesibius (Ancient Greece/Egypt, ?–?)
- Cudmore, Sedley (Canada, 1878–1945)
- Cuisenaire, Georges (?, 1891–1976)
- Culianu, Nicolae (Romania, 1832–1915)
- Cullen, Helen F. (?, 1919–2007)
- Cullen, James (Ireland, 1867–1933)
- Culler, Marc (United States, born 1953)
- Cullis, Cuthbert Edmund (England, 1868–1954)
- Cummings, Louise Duffield (Canada, 1870–1947)
- Cundy, Martyn (Britain, 1913–2005)
- da Cunha, José Anastácio (Portugal, 1744–1787)
- Cunliffe, Stella (Britain, 1917–2012)
- Cunningham, Allan J. C. (?, 1842–1928)
- Cunningham, Ebenezer (Britain, 1881–1977)
- Cunningham, L. B. C. (Scotland, 1895–1946)
- Cunningham, Susan Jane (United States, 1842–1921)
- Cuntz, Joachim (Germany, born 1948)
- Cupillari, Antonella (Italy, born 1955)
- Curry, Haskell (United States, 1900–1982)
- Curtain, Ruth F. (Australia/Netherlands, 1941–2018)
- Curtis, Charles W. (USA, born 1926)
- Curtis, Edward B. (United States, 1933–2024)
- Curtis, Morton L. (United States, 1921–1989)
- Curtiss, David Raymond (United States, 1878–1953)
- Curtze, Maximilian (Germany, 1837–1903)
- Cutland, Nigel (Britain, ?–?)
- Cuyt, Annie (Belgium, born 1956)
- Cvitanić, Jakša (Croatia, born 1962)
- Cwojdziński, Kazimierz (Poland, 1878–1948)
- Cybenko, George (United States, ?–?)
- Cyberneticist (?, ?–?)
- Cysat, Johann Baptist (Switzerland, 1580s–1657)
- Czekanowski, Jan (Poland, 1882–1965)
- Czuber, Emanuel (Austria, 1851–1925)