Bordeaux 33000 - Aquitaine
- Julian
- Juliette
- Julliard
- Jumeau
- Jungblut
- Jupin
- Jussiaume
- Just
- Justel
- Juster
- Justo
- Jutau
- Juverdeanu
- Juzan
- Kabaz
- Kabba
- Kabbani
- Kabongo
- Kabous
- Kabre
- Kachour
- Kaczmarek
- Kadareja
- Kadraoui
- Kahn
- Kaici
- Kaidi
- Kajpr
- Kakpo
- Kaled
- Kalis
- Kamardine
- Kamel
- Kammerer
- Kang
- Kanga
- Kangah
- Kani
- Kanoute
- Kante
- Kaou
- Kapisy
- Kapp
- Karanadze
- Karban
- Karen
- Karim
- Karimi
- Karl
- Karlsson
- Karmes
- Karoun
- Kartoval
- Kas
- Kassi
- Kastelnik
- Kaynar
- Kazganci
- Kebbal
- Kelhetter
- Kella
- Kellouti
- Kenanova
- Kenderian
- Kerbrat
- Kergaravat
- Kerkoub
- Kerrache
- Kersuzan
- Kervadec
- Kervarec
- Kervarrec
- Kervean
- Kesseraoui
- Kessler
- Keusch
- Kezredji
- Khachatryan
- Khadri
- Khairallah
- Khaled
- Khallaayoune
- Kharraki
- Kharrat
- Khatri
- Khayat
- Khayil
- Kheireddine
- Khelfaoui
- Khelif
- Khellaf
- Khenchouche
- Khenenou
- Kherro
- Khiari
- Khong
- Khouri
- Khoury
- Kilian
- Kinder