| Hennepin, Oklahoma | |
| Settlement Type: | Unincorporated community and Census-designated place |
| Pushpin Map: | USA Oklahoma#USA |
| Pushpin Label: | Hennepin |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oklahoma |
| Subdivision Type2: | County |
| Subdivision Name2: | Garvin |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 4.14 |
| Area Land Km2: | 4.13 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 143 |
| Population Density Km2: | 34.61 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 929 |
| Coordinates: | 34.5144°N -97.3492°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 73444 |
| Blank Name: | FIPS code |
| Blank Info: | 40-33650 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805321 |
| Area Total Sq Mi: | 1.60 |
| Area Land Sq Mi: | 1.59 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 89.66 |
Hennepin is an unincorporated community along State Highway 7 in extreme southern Garvin County, Oklahoma, United States, near the point where Carter, Garvin and Murray counties intersect. Hennepin County was named for Father Louis Hennepin, a member of Lasalle's Louisiana Expedition.