The 1911 OPHL season was the 4th and final season of the Ontario Professional Hockey League.
- Season Champion: Galt Professionals
- Playoff Champions: Galt Professionals
|1||Galt Professionals||13-6-0||134||99||26||Won Title|
- March 1 Galt 8 Waterloo 0 @ Berlin
Galt advanced to the 1911 Stanley Cup playoffs.