| Kosse, TX (Town) |
| Kossuth, MS (Village) |
| Kossuth County, IA (County) |
| Kossuth Town, WI (Town) |
| Kotlik, AK (City) |
| Kottke Valley, ND (Township) |
| Kotzebue, AK (City) |
| Kountze, TX (City) |
| Kouts, IN (Town) |
| Koylton Township, MI (Township) |
| Koyuk, AK (City) |
| Koyukuk, AK (City) |
| Kragero, MN (Township) |
| Kragnes, MN (Township) |
| Krain, MN (Township) |
