Charles McMahon may refer to:
- Charles Alexander McMahon FRS (1830–1904), Anglo-Irish soldier, geologist, and administrator in British India
- Charles McMahon (1953–1975), a United States soldier killed in Vietnam: see Charles McMahon and Darwin Judge
- Charlie McMahon (born 1951), an Australian didgeridoo player
- Charles McMahon (politician), American politician
See also
edit- Charles MacMahon (disambiguation)
- Chuck McMann (1951–2021), Canadian football player