| Official Name: | Lamar, Wisconsin |
| Pushpin Map: | Wisconsin#USA |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Polk |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1217 |
| Coordinates: | 45.4258°N -92.5703°W |
| Area Code: | 715 & 534 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1577689 |
Lamar is an unincorporated community located in the town of St. Croix Falls, Polk County, Wisconsin, United States. The community is named for Lucius Quintus Cincinnatus Lamar II, an associate justice on the US Supreme Court and member of Congress.[1]