Surname Files - J
- Jablonka
- Jablonski
- Jablonsky
- Jacak
- Jack
- Jackamonis
- Jackman
- Jacko
- Jackovitz
- Jackson
- Jacob
- Jacobell
- Jacobelli
- Jacobs
- Jacobsen
- Jacobyansky
- Jacquillard
- Jacvino
- Jae
- Jaffre
- Jager
- Jagger
- Jakub
- Jakubec
- Jakubek
- James
- Jamison
- Janasov
- Jandrokovic
- Janesko
- Janetka
- Janicki
- Janiro
- Janitor
- Jankowski
- Jannotti
- Janoscrat
- Janosik
- Janoske
- Janovich
- Jansen
- Janss
- Janssens
- Jantzen
- Jaouette
- Japalucci
- Jardas
- Jarko
- Jarmon
- Jarrett
- Jarvis
- Jasek
- Jasik
- Jasinski
- Jaski
- Jaskolski
- Jason
- Jasper
- Javor
- Jaworski
- Jaynes
- Jeffcoat
- Jeffers
- Jeffrey
- Jeffries
- Jelinski
- Jellison
- Jelochen
- Jenal
- Jenco
- Jendras
- Jenkins
- Jenkner
- Jennings
- Jensen
- Jereb
- Jerep
- Jerina
- Jerson
- Jesick
- Jesky
- Jessup
- Jetchick
- Jetter
- Jewell
- Jezewski
- Jioio
- Jirak
- Jochynek
- Jobe
- Jobes
- Jodlowski
- Jodon
- Jodzis
- Johannes
- John
- Johns
- Johnson
- Johnston
- Johnstone
- Jolliffe
- Jones
- Jonnet
- Joos
- Jordan
- Jordanhazy
- Joseph
- Joswick
- Jourdain
- Jouret
- Jousson
- Jovan
- Joy
- Joyce
- Joyner
- Jozefczyj
- Jubas
- Jubec
- Jubic
- Jude
- Judge
- Judith
- Judy
- Jug
- Juhasz
- Julian
- Juliane
- Julien
- Jumba
- Jumper
- Junick
- Junk
- Junstrom
- Jupena
- Jupin
- Jupina
- Juran
- Jurczyk
- Juricich
- Jurkiewicz
- Jurkovic
- Jurkowski
- Jury
- Justice