The 1978 Sutherland Cup was a series of playoff rounds to determine the Ontario Hockey Association Junior "B" championship.
Teams[]
- Streetsville Derbys (CJBHL Champions)
- St. Catharines Falcons (GHJHL Champions)
- Oshawa Legionaires (MetJHL Champions)
- Oak Ridges Dynes (MOJBHL Champions)
- Stratford Cullitons (MWJHL Champions)
- Welland Cougars (NDJBHL Champions)
- Brantford Penguins (SWJBHL Champions)
- Windsor Royals (WJBHL Champions)
Playdowns[]
First Round
- Welland Cougars defeated Brantford Penguins 4-games-to-none
- Welland 7 - Brantford 3
- Welland 5 - Brantford 4
- Welland 5 - Brantford 4
- Welland 9 - Brantford 1
Quarter-final
- Windsor Royals defeated Welland Cougars 4-games-to-none
- Windsor 8 - Welland 4
- Windsor 5 - Welland 2
- Windsor 5 - Welland 4
- Windsor 6 - Welland 4
- Streetsville Derbys defeated St. Catharines Falcons 4-games-to-3
- Streetsville - St. Catharines
- Streetsville 9 - St. Catharines 4
- St. Catharines 8 - Streetsville 7
- Streetsville 10 - St. Catharines 1
- St. Catharines 6 - Streetsville 5
- St. Catharines 5 - Streetsville 2
- Streetsville 4 - St. Catharines 3
Semi-final
- Stratford Cullitons defeated Oshawa Legionaires 4-games-to-1
- Stratford 8 - Oshawa 4
- Stratford 5 - Oshawa 3
- Stratford 3 - Oshawa 2
- Oshawa 5 - Stratford 3
- Stratford 4 - Oshawa 2
- Streetsville Derbys defeated Windsor Royals 4-games-to-none
- Streetsville 9 - Windsor 8 OT
- Streetsville 9 - Windsor 5
- Streetsville 9 - Windsor 3
- Streetsville 6 - Windsor 2
Final
- Stratford Cullitons defeated Streetsville Derbys 4-games-to-2 with 1 tie
- Stratford 4 - Streetsville 4
- Stratford 8 - Streetsville 4
- Streetsville 10 - Stratford 0
- Stratford 6 - Streetsville 2
- Stratford 7 - Streetsville 3
- Streetsville 7 - Stratford 5
- Stratford 5 - Streetsville 3