- Kirtley
- Kirvin
- Kitalou
- Kittrell
- Kleberg
- Klein
- Klondike
- Klondike
- Klump
- Knapp
- Knickerbocker
- Knight Crossing
- Knights Bluff Landing
- Knippa
- Knob Hill
- Knobbs Springs
- Knoblaw
- Knolle
- Knollwood
- Knollwood Estates
- Knott
- Knox City
- Koenig Winter Resort Colonia
- Koerth
- Kohrville
- Kokernot
- Kokomo
- Komensky
- Koockville
- Kopernik Shores