A edit
Aa-Ai edit
Aastra Technologies, Maude Abbott, Monroe Abbey, Aber Diamond, Alan Abraham, Robert Ackman, David Adams (dancer), Philippe Adam, Wayne Adams, Alan Joseph Adamson, Anthony Adamson, Frances Adaskin, Harry Adaskin, Murray Adaskin, Mark Adler (politician), Agnico-Eagle Mines, Agricore United, Jack Agrios, Freda Ahenakew, Gordon Aiken, Aish HaTorah, Margaret Aitken, Robert Aitken (composer)
Al-Ap edit
Pierrette Alarie, George Oscar Alcorn, Alila, George William Allan, Jean Victor Allard, Jules Allard, Paul-Émile Allard, Moyra Allen, Ralph Allen (journalist), Jocelyne Alloucherie, Mather Byles Almon, Anne-Marie Alonzo, Howard Alper, Altona, Manitoba, Silas Alward, Richard Alway, Michael M. Ames, Frank Amyot, Anahareo, Frederick Andermann, Doris Anderson, Doris Margaret Anderson, John Rogers Anderson, Margaret Jean Anderson, Thomas Brown Anderson, Gerald Smedley Andrews, Louis Charles Alphonse Angers, Henry Angus, István Anhalt, Raymonde April, Bluma Appel, Louis Applebaum, Peter Appleyard
Ar-As edit
Joseph Éloi Archambault, Louis Archambault, John Hall Archer, Violet Archer, Edgar Archibald, Richard Arès, Raffi Armenian, John Douglas Armour, John Archibald Armstrong, Joseph Elijah Armstrong, Sally Wishart Armstrong, John Arnup, Bona Arsenault, Joseph-Octave Arsenault, Eric Arthur, Harry Arthurs, Thomas Gordon William Ashbourne, Joseph-Séraphin-Aimé Ashby, Kenojuak Ashevak, Associated Country Women of the World, Associated Hebrew Schools of Toronto
At-Az edit
George Athans, Albert William Atwater, ATCO, ATS Automation Tooling Systems, Aptalis, Marcel Aubut, Jean-Paul Audet, Louis Audette, Olivier-Maurice Augé, Frank Augustyn, Melzar Avery, John Avison, Henry Aylmer, David Azrieli