Upper Peninsula League
| Classification | Independent (1890–1891) |
|---|---|
| Sport | Minor League Baseball |
| First season | 1890 |
| Ceased | 1891 |
| Replaced by | Wisconsin-Michigan League |
| President | J.P. Mason (1890–1891) |
| No. of teams | 6 |
| Country | United States of America |
| Most titles | 1 Houghton (1890) Calumet Red Jackets (1891) |
The Upper Peninsula League was a minor league baseball league that played in the 1890 and 1891 seasons. The six–team Independent level Upper Peninsula League consisted of franchises based exclusively in Michigan.