| 1959 International League season | |
|---|---|
| League | International League |
| Sport | Baseball |
| Duration | April 14 – September 22 |
| Number of games | 154 |
| Number of teams | 8 |
| Regular season | |
| Season MVP | Pancho Herrera, Buffalo Bisons |
| Governors' Cup Playoffs | |
| League champions | Havana Sugar Kings |
| Runners-up | Richmond Virginians |
The 1959 International League was a Class AAA baseball season played between April 14 and September 22. Eight teams played a 154-game schedule, with the top four teams qualifying for the post-season.
The Havana Sugar Kings won the Governors' Cup, defeating the Richmond Virginians in the final round of the playoffs.