These are the 1974 Sutherland Cup playdowns for the Ontario Hockey Association Junior B championship:
Series[]
- Sarnia Bees (1973-74 WJBHL Season Champions)
- Windsor Royals (1973-74 GLJHL Season Jr. B Champions)
- Hamilton Red Wings (1973-74 NDJBHL Season Champions)
- Oakville Blades (1973-74 CJBHL Season Champions)
- Owen Sound Greys (1973-74 MOJBHL Season Champions)
- Elmira Sugar Kings (1973-74 SWJBHL Season Champions)
- Bramalea Blues (1973-74 MetJHL Season Champions)
Playdowns[]
Quarter-final
- Sarnia Bees defeated Windsor Royals 4-games-to-none
- Sarnia 6 - Windsor 5
- Sarnia 11 - Windsor 3
- Sarnia 11 - Windsor 2
- Sarnia 9 - Windsor 5
- Hamilton Red Wings defeated Oakville Blades 4-games-to-1
- Hamilton - Oakville
- Hamilton - Oakville
- Oakville 8 - Hamilton 5
- Hamilton 6 - Oakville 4
- Hamilton 6 - Oakville 3
- Owen Sound Greys defeated Elmira Sugar Kings 4-games-to-2
- Owen Sound - Elmira
- Owen Sound - Elmira
- Elmira 5 - Owen Sound 2
- Elmira 5 - Owen Sound 3
- Owen Sound 3 - Elmira 1
- Owen Sound 6 - Elmira 5
Semi-final
- Hamilton Red Wings defeated Sarnia Bees 4-games-to-3 with 1 tie
- Sarnia 8 - Hamilton 2
- Hamilton 3 - Sarnia 2 OT
- Hamilton 8 - Sarnia 7
- Sarnia 7 - Hamilton 3
- Sarnia 4 - Hamilton 4 OT
- Hamilton 7 - Sarnia 6 OT
- Sarnia 6 - Hamilton 5
- Hamilton 5 - Sarnia 4
- Bramalea Blues defeated Owen Sound Greys 4-games-to-3
- Bramalea 5 - Owen Sound 4
- Owen Sound 5 - Bramalea 4
- Bramalea 5 - Owen Sound 1
- Owen Sound 5 - Bramalea 1
- Bramalea 3 - Owen Sound 2
- Owen Sound 4 - Bramalea 1
- Bramalea 9 - Owen Sound 2
Final
- Hamilton Red Wings defeated Bramalea Blues via forfeit
- Bramalea 3 - Hamilton 2
- Series forfeited prior to Game 2 by Bramalea citing violence