| Name | # Entries |
|---|---|
| Joksimovic | 0 |
| Jokubauskas | 0 |
| Jacobsohn | 0 |
| Jola | 0 |
| Jolak | 0 |
| Jolayemi | 0 |
| Joleva | 0 |
| Jolanta | 0 |
| Jolejole | 0 |
| Joliani | 0 |
| Joller | 0 |
| Jollan | 0 |
| Jaenike | 0 |
| Jaenki | 0 |
| Jolson | 1 |
| Jolta | 0 |
| Jomaa | 0 |
| Jomantas | 0 |
| Jomarova | 0 |
| Jonagan | 0 |
| Jonaidi | 0 |
| Jonaitis | 0 |
| Jafarnejad | 0 |
| Jaff | 0 |
| Jaffa | 2 |
| Jafarey | 0 |
| Jaffee | 0 |
| Jafarzadeh | 0 |
| Jaffarian | 0 |
| Jafferalli | 0 |
| Jaffey | 0 |
| Jag | 14 |
| Jagadeesan | 0 |
| Jagadish | 0 |
| Jonasen | 0 |
| Jonassen | 15 |
| Jonason | 0 |
| Jonath | 0 |
| Jonats | 0 |
| Jonchhe | 0 |
| Jonckheere Gibson | 0 |
| Joncour | 0 |
| Jonczyk | 0 |
| Jagadabhi | 0 |
| Jagadeeshan | 0 |
| Jaganathan | 0 |
| Jager Glover | 0 |
| Jagers | 3 |
| Jagessar | 0 |
| Jaggari | 0 |
| Jaksevac | 0 |
| Jakub | 0 |
| Jakubaszek | 0 |
| Jakubowski | 0 |
| Jakubczak | 0 |
| Jakupec | 0 |
| Jakupek | 0 |
| Jakusic | 0 |
| Jakymczuk | 0 |
| Jalehchin | 0 |
| Jalaie | 0 |
| Jalajjage | 0 |
| Jalil | 1 |
| Jalaludin | 0 |
| Jalass | 0 |
| Jalayer | 0 |
| Jalilian | 0 |
| Jalin | 0 |
| Jallali | 0 |
| Jalowy | 0 |
| Jamakovic | 0 |
| Jamalian | 0 |
| Jambanis | 0 |
| Jambhrunkar | 0 |
| Jambrovic | 0 |