- Kidd
- Kingley
- Kenilworth
- Kershaw
- King Colony Ranch
- King Island
- Kingston
- Kelly Island
- Kerns
- King Arthur Park
- Korner Kourt
- Kountz Trailer Park
- Kyle
- Kens Trailer Court
- Kins Island (historical)
- Kootenai Falls
- Kremlin
- Kings Point
- Kingrey Place
- Keystone
- Kelly Island
- Kilby Butte Colony
- Kotke
- Kelley
- Kingsbury Colony
- Kuka Crossing
- Kalispell
- Kerr
- Kevin
- Kicking Horse