- Kaikadi
- Kai Ken
- Kangal Dog
- Kanni
- Karelian Bear Dog
- Karelo-Finnish Laika
- Kars Dog
- Keeshond
- Kelpie – see Australian Kelpie
- Kerry Blue Terrier
- King Charles Spaniel
- King Shepherd
- Kintamani
- Kishu
- Kombai
- Komondor
- Kooikerhondje
- Koolie
- Korea Jindo Dog
- Korean Mastiff
- Kritikos Lagonikos (Cretan Hound)
- Kromfohrlander
- Kuvasz
- Kyi Leo