- Keenes Corner
- Keegan
- Kennedy Terrace
- King Island
- Kings Grove
- Kimballs Corner
- Knightville
- Kennebago
- Kennebago Settlement
- Keough
- Knowltons Corner
- Kelly Island
- Kiahs Island
- Kalers Corner
- Kennedy Corner
- Keyes Corner
- Killick Stone Island
- Knowlton Corner
- Kimball Island
- Ketchum
- Katen Corner
- King Island
- Knight Corner
- Knox Hill Corner
- Knights Landing
- Kelly Island
- Kendalls Corner
- Knights Corner
- Knox Center
- Knox Corner