| Official Name: | West Side Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Crawford |
| Area Total Km2: | 93.29 |
| Area Land Km2: | 93.21 |
| Area Water Km2: | 0.08 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.02 |
| Area Land Sq Mi: | 35.99 |
| Area Water Sq Mi: | 0.03 |
| Area Water Percent: | 0.09 |
| Population As Of: | 2000 |
| Population Total: | 980 |
| Population Density Km2: | 10.5 |
| Population Density Sq Mi: | 27.2 |
| Elevation M: | 396 |
| Elevation Ft: | 1299 |
| Coordinates: | 42.0794°N -95.1503°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468988 |
West Side Township is a township in Crawford County, Iowa, United States. As of the 2000 census, its population was 980.
West Side Township covers an area of 36.02sqmi and contains two incorporated settlements: Vail and Westside. According to the USGS, it contains two cemeteries: Saint Anns and Westside.
The streams of King Creek and Miller Creek run through this township.