Category:Ice hockey leagues in Ontario

• Defunct ice hockey leagues in Ontario (3 C, 29 P)
• Ice hockey leagues in Toronto (2 P)

0–9

• Ontario Hockey League (8 C, 8 P)

A

• Northern Ontario Junior Hockey League (2 C, 2 P)
• Ontario Provincial Junior A Hockey League (4 C, 7 P)

B

• Greater Ontario Junior Hockey League (2 P)

C

• Central Canada Hockey League (3 C, 2 P)

G

• Greater Metro Junior A Hockey League (1 C, 1 P)

O

• Ontario Women's Hockey League (2 C, 1 P)

S

• Superior International Junior Hockey League (2 C, 7 P)

0–9

• Allan Cup Hockey
• Alliance Hockey
• Eastern AAA Hockey League
• Ontario Elite Hockey League
• South-Central Triple A Hockey League

A

• Northern Ontario Junior Hockey League
• Ontario Junior Hockey League
• Superior International Junior Hockey League

B

• Eastern Ontario Junior Hockey League
• Greater Ontario Junior Hockey League
• Lakehead Junior Hockey League

C

• Empire B Junior C Hockey League
• Georgian Mid-Ontario Junior C Hockey League
• Great Lakes Junior C Hockey League
• Midwestern Junior C Hockey League
• National Capital Junior Hockey League
• Niagara & District Junior C Hockey League
• Provincial Junior Hockey League
• Southern Ontario Junior Hockey League
• Western Ontario Junior C Hockey League
• Central Canada Hockey League
• Central Ontario Junior C Hockey League

E

• Eastern Ontario Senior Hockey League

L

• Ligue Nord-Américaine de Hockey

O

• Canadian Premier Junior Hockey League
• Ontario Hockey League
• Ontario Women's Hockey League