- Key Hill
- Keyno
- Keys Mill
- Keysburg
- Keystone
- Keyton
- Keytons
- Kid
- Kilby
- Kilgore
- Killen
- Killian Mill
- Killough Springs
- Kilpatrick
- Kimberly
- Kimbrell
- Kimbrough
- Kimbrough Crossroads
- Kincheon
- King Arthur Manor
- Kingdom Crossroads
- Kings
- Kings Chapel
- Kings Island (historical)
- Kings Mill
- Kingston
- Kingston
- Kingsway Terrace
- Kingtown
- Kingville