- Key (continued)
- Keys
- Keyte
- Keyton
- Keywood
- Khan
- Kibble
- Kicklighter
- Kidd
- Kidner
- Kidston
- Kidwell
- Kiefel
- Kierstead
- Kiewning
- Kift
- Kilburn
- Kilgore
- Kilham
- Kilhams
- Killick
- Killingback
- Killner
- Kilmer
- Jane (before 1624 - after 1665)
- Richard (before 1630 - 1689)
- Kilner