- Arthur Jackman
- Arthur James Edward Child
- Arthur John Arbuthnott Stringer
- Arthur Julien Tremblay
- Arthur Kroker
- Arthur L. Close
- Arthur Lamothe
- Arthur Laurendeau
- Arthur Lavigne
- Arthur Leblanc
- Arthur Letondal
- Arthur Lewis Sifton
- Arthur Lipsett
- Arthur Lismer
- Arthur Loughton
- Arthur Maxwell House
- Arthur Meighen
- Arthur Michaud
- Arthur Milnes
- Arthur Newcombe Bourns
