| 1951 International League season | |
|---|---|
| League | International League |
| Sport | Baseball |
| Duration | April 18 – September 21 |
| Number of games | 154 |
| Number of teams | 8 |
| Regular season | |
| Season MVP | Archie Wilson, Buffalo Bisons |
| Governors' Cup Playoffs | |
| League champions | Montreal Royals |
| Runners-up | Syracuse Chiefs |
The 1951 International League was a Class AAA baseball season played between April 18 and September 21. Eight teams played a 154-game schedule, with the top four teams qualifying for the post-season.
The Montreal Royals won the Governors' Cup, defeating the Syracuse Chiefs in the final round of the playoffs.