- Keyesville
- Kilowatt
- Kettleman Station
- Karlo
- Kagel Canyon
- Kincaid
- Kinneloa Mesa
- Kismet
- Knowles
- Knowles Junction
- Kent Island
- Kent Woodlands
- Kenny
- Kibesillah
- Kibesillah Rock
- Kadota
- Kalina
- Kandra
- Kauffman
- Kephart
- Keene
- Kerman
- Krug
- Kenwood Estates
- Kingvale
- Kres
- Kilaga Springs
- Kingswood Estates
- Kimball Island
- Kaiser