- Kedington
- Kelling
- Kelsale
- Kelshall
- Kelvedon
- Kelvedon Hatch
- Kempston
- Kempston Hardwick
- Kenninghall
- Kensworth
- Kentford
- Kesgrave
- Kessingland
- Kettleburgh
- Kettlestone
- Keysoe
- Keyston
- Kilverstone
- Kimpton
- King's Lynn
- Kings Langley
- Kings Walden
- Kingsbourne Green
- Kirby Cross
- Kirtling
- Knebworth
- Knettishall
- Knotting
- Kenton
- Keswick
