| Official Name: | Theilman |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Minnesota#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Wabasha County |
| Subdivision Type3: | Township |
| Subdivision Name3: | West Albany Township and Glasgow Township |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 771 |
| Coordinates: | 44.2892°N -92.1922°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 55945 |
| Area Code: | 507 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 653123 |
Theilman is an unincorporated community in Wabasha County, Minnesota, United States.
Theilman is located within West Albany Township and Glasgow Township, at the junction of Wabasha County Roads 4 and 86. Theilman is located along the Zumbro River and near the center of Wabasha County. It lies one mile southwest of the Zumbro Bottoms units of the Richard J. Dorer Memorial Hardwood State Forest. Other nearby places include Kellogg, Plainview, Millville, Zumbro Falls, and Wabasha.
According to the Köppen Climate Classification system, Theilman has a hot-summer humid continental climate, abbreviated "Dfa" on climate maps. The hottest temperature recorded in Theilman was 104F on August 1, 1988 and September 5, 2023, while the coldest temperature recorded was -44F on January 18, 1967.
A post office called Theilmann was established in 1904, and remained in operation until 1996.[1] The community was named for Christian Theilmann, the original owner of the town site.[2]