Lyon - Rhône-Alpes
- Joux
- Jubelin
- Jubert
- Jubin
- Juhel
- Junier
- Jurdic
- Juric
- Just
- Juthier
- Ka
- Kaabi
- Kabi
- Kabore
- Kaced
- Kada
- Kaddouri
- Kadiri
- Kaemmerlen
- Kaeppelin
- Kahlouche
- Kahoul
- Kaiser
- Kakou
- Kallo
- Kaloustian
- Kamar
- Kamara
- Kamdem
- Kameche
- Kamil
- Kanga
- Kanoune
- Kaoula
- Kaplan
- Kappler
- Karametas
- Karaohanessian
- Karaoui
- Karapetyan
- Karimi
- Karimpour
- Karoui
- Kasisari
- Kasprzak
- Kasraoui
- Kastrati
- Katreli
- Katz
- Kayser
- Kazoyan
- Kebbab
- Kebbabi
- Kedjbour
- Keep
- Keffi
- Kefi
- Keingna
- Kelly
- Kelo Tana
- Kemmoun
- Kennedy
- Kenniche
- Kepinski
- Keraimia
- Kerbadou
- Kerfa
- Kerfouf
- Kergall
- Kermarrec
- Kern
- Kerrouche
- Kessler
- Khachatryan
- Khalef
- Khalife
- Khalil
- Khamassi
- Kharrat
- Khazani
- Khedim
- Khelaifia
- Khelf
- Khelfi
- Khemakhem
- Khemissi
- Khenniche
- Kherfallah
- Kherraf
- Khezzari
- Khouatra
- Khoumsi
- Kiala
- Kias
- Kieger
- Kiener
- Kies
- Kiki
- Kimelfeld
- Kimmel