| Classification | Independent (1891) |
|---|---|
| Sport | Minor League Baseball |
| First season | 1891 |
| Ceased | 1891 |
| Replaced by | Inland Empire League |
| President | Unknown (1891) |
| No. of teams | 4 |
| Country | United States of America |
| Most titles | 1 La Grande Grand Rhonders (1891) |
The Pacific Interstate League was a minor league baseball league that played in the 1891 season. The four–team Independent level league consisted of teams based in Oregon and Washington. The Pacific Interstate League permanently folded following the 1891 season, later succeeded by the Inland Empire League, featuring the same four franchises.