| Name | # Entries |
|---|---|
| Jefcoate | 9 |
| Jerard | 9 |
| Johnsonville | 9 |
| Joiner | 9 |
| Jordaan | 9 |
| Judge | 9 |
| Julia | 9 |
| Jute | 9 |
| Jassen | 9 |
| Jeneke | 9 |
| Jantjie | 9 |
| Jaga | 9 |
| Jacobsohn | 9 |
| Jood | 9 |
| July | 9 |
| Janki | 9 |
| Jarratt | 8 |
| Jellie | 8 |
| Jorgensen | 8 |
| Jowitt | 8 |
| Jujnovich | 8 |
| June | 8 |
| Jeeva | 8 |
| Jina | 8 |
| Jadoo | 8 |
| Jephtha | 8 |
| Jackson's | 7 |
| Jacobi | 7 |
| Jacomb | 7 |
| Jani | 7 |
| Jasmine | 7 |
| Jeffreys | 7 |
| Jellick | 7 |
| Jeremy | 7 |
| Jet | 7 |
| Jewel | 7 |
| Jireh | 7 |
| Joan | 7 |
| Jon | 7 |
| Jonassen | 7 |
| Joy | 7 |
| Joynt | 7 |
| Jude | 7 |
| Judy | 7 |
| Jhaveri | 7 |
| Jassiem | 7 |
| Josephus | 7 |
| Jacobie | 7 |
| Jagdeo | 7 |
| Jantjes | 7 |
| Jenkings | 7 |
| Jack's | 6 |
| Jacobsen | 6 |
| Jakeman | 6 |
| Janine | 6 |
| Jeeves | 6 |
| Jelas | 6 |
| Jellicoe | 6 |
| Jemma's | 6 |
| Jenny's | 6 |
| Jerry | 6 |
| Jess | 6 |
| Jian | 6 |
| Jimmy | 6 |
| Joanne | 6 |
| Jooste | 6 |
| Jordon | 6 |
| Jezile | 6 |
| Jabar | 6 |
| Johaar | 6 |
| Jacklin | 6 |
| Jovner | 6 |
| Jewaskiewitz | 6 |
| Jordi | 6 |
| Janneke | 6 |