I believe there are 27 Canadians playing in the Madness, a couple others are Redshirting on the teams.
Nova Scotia - Chris Johnson, St. Bonaventure
Quebec - R Odoch-Opong, Long Island
Kris Joseph, Syracuse
Henst Laroche, New Mexico State
Laurent Rivard, Harvard
Randy Dezouvre, Iona College
Ontario - Junior Cadougan, Marquette
Jason Calliste, Detroit
Renaldo Dixon, New Mexico State
Melvin Ejim, Iowa State
Grandy Glaze, Saint Louis
Brady Heslip, Baylor
Alex Johnson, North Carolina State
Myck Kabong, Texas
Daniel Mullings, New Mexico State
Andrew Nicholson, St. Bonaventure
Kevin Pangos, Gonzaga
Taevunn Prince, South Dakota State
Matthew Wright, St. Bonaventure
Jahenns Manigat (Ottawa), Creighton
Stefan Cvrkalj (Kitchener), Lehigh
Arnold Mayorga (London), Long Island
Tyrone Watson (Hamilton), New Mexico State
Vancouver-Nik Cochran, Davidson
Emerson Murray, California
Robert Sacre, Gonzaga
via B.C. - Kyle Wiltjer, Kentucky
Nova Scotia - Chris Johnson, St. Bonaventure
Quebec - R Odoch-Opong, Long Island
Kris Joseph, Syracuse
Henst Laroche, New Mexico State
Laurent Rivard, Harvard
Randy Dezouvre, Iona College
Ontario - Junior Cadougan, Marquette
Jason Calliste, Detroit
Renaldo Dixon, New Mexico State
Melvin Ejim, Iowa State
Grandy Glaze, Saint Louis
Brady Heslip, Baylor
Alex Johnson, North Carolina State
Myck Kabong, Texas
Daniel Mullings, New Mexico State
Andrew Nicholson, St. Bonaventure
Kevin Pangos, Gonzaga
Taevunn Prince, South Dakota State
Matthew Wright, St. Bonaventure
Jahenns Manigat (Ottawa), Creighton
Stefan Cvrkalj (Kitchener), Lehigh
Arnold Mayorga (London), Long Island
Tyrone Watson (Hamilton), New Mexico State
Vancouver-Nik Cochran, Davidson
Emerson Murray, California
Robert Sacre, Gonzaga
via B.C. - Kyle Wiltjer, Kentucky