| Official Name: | Lamkin, Texas |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Texas#USA |
| Pushpin Label: | Lamkin |
| Coordinates: | 31.8231°N -98.2642°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Comanche |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.75 |
| Area Land Km2: | 1.75 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2020 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1065 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 76455 (Gustine) |
| Area Code: | 325 |
| Blank Name: | FIPS code |
| Blank Info: | 48-41176 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805765 |
Lamkin is an unincorporated community and census-designated place (CDP) in Comanche County, Texas, United States. It was first listed as a CDP prior to the 2020 census.
The community is located in the southeastern part of the county, along Texas State Highway 36, which leads northwest to Comanche, the county seat, and southeast to Hamilton. The Leon River, part of the Brazos River watershed, forms the eastern edge of the CDP.