1966
From SABR Encyclopedia
Leagues active in 1966
- 1966 American League
- 1966 Appalachian League
- 1966 Arizona Instructional League
- 1966 California League
- 1966 Carolina League
- 1966 Dominican Winter League
- 1966 Eastern League
- 1966 Florida Instructional League
- 1966 Florida State League
- 1966 Gulf Coast League
- 1966 International League
- 1966 Japan Central League
- 1966 Japan Pacific League
- 1966 Mexican Center League
- 1966 Mexican League
- 1966 Mexican Pacific Winter League
- 1966 Mexican Southeast League
- 1966 Midwest League
- 1966 National League
- 1966 New York-Pennsylvania League
- 1966 Nicaraguan Winter League
- 1966 Northern League
- 1966 Northwest League
- 1966 Pacific Coast League
- 1966 Panama Winter League
- 1966 Peninsula Winter League
- 1966 Pioneer League
- 1966 Puerto Rican Winter League
- 1966 Quebec Provincial League
- 1966 Southern League
- 1966 Texas League
- 1966 Venezuelan Winter League
- 1966 Western Carolinas League