Paris - Île-de-France
- Juglar
- Juhan
- Juignet
- Juliard
- Jullion
- Jumayeth
- Jumelle
- Junchat
- Jungels
- Juredieu
- Jurgensen
- Jurquet
- Jus
- Jusseaume
- Juston
- Jutteau
- Juttin
- Kaabachi
- Kaabeche
- Kaas
- Kabeya
- Kabou
- Kacel
- Kacki
- Kadar
- Kadijevic
- Kadouch
- Kahale
- Kahla
- Kai
- Kaidi
- Kairouz
- Kakal
- Kako
- Kallo
- Kaloko
- Kalonji
- Kamgang
- Kamir
- Kamiyama
- Kamoudi
- Kamsu
- Kanane
- Kanda
- Kande
- Kandemir
- Kandil
- Kaneda
- Kanno
- Kanoun
- Kanza
- Kanzari
- Kaossa
- Kapadia
- Karaaslan
- Karacostas
- Karahan
- Karakas
- Karakaya
- Karar
- Karayannis
- Kardous
- Kareche
- Karpinski
- Kas
- Kasdali
- Kasdi
- Kaskassiades
- Kassa
- Kassas
- Kassel
- Kassi
- Katagiri
- Kati
- Katlama
- Kausmally
- Kauv
- Kawaguchi
- Kawasaki
- Kayali
- Kazadi
- Kchaou
- Kebdi
- Keenan
- Kemel
- Kemoun
- Kemp
- Kendall
- Kent
- Kenza
- Kerba
- Kerbellec
- Kerber
- Kerbouai
- Kerchaoui
- Kergroach
- Kerignard
- Kerjose
- Kerkouche
- Kermel
