Southwest Iowa League
| Classification | Class D (1903) |
|---|---|
| Sport | Minor League Baseball |
| Founder | E.H. Whiteside |
| First season | 1903 |
| Ceased | August 29, 1903 |
| President | E.H. Whiteside (1903) |
| No. of teams | 6 |
| Country | United States of America |
| Most titles | 1 Atlantic (1903) |
| Related competitions | Iowa State League |
The Southwest Iowa League was a minor league baseball league that played in the 1903 season. The Class D level, six–team Southwest Iowa League consisted of teams based in the Southwest Iowa region. The Southwest Iowa League played only the 1903 season, permanently folding on August 29, 1903.