1991 Sutherland Cup

The 1991 Sutherland Cup was a series of playoff rounds to determine the Ontario Hockey Association Junior "B" championship.

Teams

 * CJBHL - Oakville Blades
 * GHJHL - Welland Aerostars
 * MWJHL - Waterloo Siskins
 * WJBHL - Chatham Mic Macs

Playdowns
Semi-final
 * Oakville Blades defeated Welland Aerostars 4-games-to-2
 * Welland 8 - Oakville 1
 * Welland 7 - Oakville 1
 * Oakville 4 - Welland 2
 * Oakville 4 - Welland 1
 * Oakville 5 - Welland 3
 * Oakville 5 - Welland 4
 * Waterloo Siskins defeated Chatham Mic Macs 4-games-to-none

Final
 * Waterloo Siskins defeated Oakville Blades 4-games-to-none
 * Waterloo 3 - Oakville 2
 * Waterloo 7 - Oakville 1
 * Waterloo 4 - Oakville 1
 * Waterloo - Oakville