| Official Name: | West Warren, Massachusetts |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Massachusetts#USA |
| Pushpin Label: | West Warren |
| Coordinates: | 42.2117°N -72.2356°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Massachusetts |
| Subdivision Type2: | County |
| Subdivision Name2: | Worcester |
| Subdivision Type3: | Town |
| Subdivision Name3: | Warren |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 1.27 |
| Area Land Sq Mi: | 1.27 |
| Area Water Sq Mi: | 0.01 |
| Area Total Km2: | 3.30 |
| Area Land Km2: | 3.28 |
| Area Water Km2: | 0.02 |
| Population As Of: | 2020 |
| Population Density Km2: | 219.65 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 166 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 01092 |
| Area Code: | 413 |
| Blank Name: | FIPS code |
| Blank Info: | 25-78445 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2806313 |
| Population Total: | 721 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 569.06 |
West Warren is a census-designated place (CDP) and village in the town of Warren, Worcester County, Massachusetts, United States. It sits on the north side of the Quaboag River along Massachusetts Route 67, west of Warren village and 9miles northeast of Palmer.
West Warren was first listed as a CDP prior to the 2020 census.