| Formerly | Northwestern League |
|---|---|
| Classification | Class B (1918, 1920–1921) |
| Sport | Minor League Baseball |
| First season | 1918 |
| Ceased | 1921 |
| Replaced by | Western International League |
| President | Bob Blewett (1918) Louis H. Burnett (1920–1921) |
| No. of teams | 9 |
| Country | Canada United States of America |
| Most titles | 1 Seattle Giants (1918) Victoria Islanders (1920) Yakima Indians (1921) |
| Related competitions | Northwest International League (1919) |
The Pacific Coast International League was a minor league baseball league that played between 1918 and 1922. The Class B level league franchises were based in the Northwest United States and British Columbia.