| Name | # Entries |
|---|---|
| Ya | 20 |
| Yaakub | 3 |
| Yaacoubian | 0 |
| Yaak | 1 |
| Yaakovi | 1 |
| Yaban | 0 |
| Yaccoub | 2 |
| Ya Chun | 0 |
| Yacin | 0 |
| Yacolca | 1 |
| Yacoumidis | 1 |
| Yadago | 0 |
| Yadak | 0 |
| Yadarun | 0 |
| Yadava | 1 |
| Yadab | 1 |
| Yadekaryalda | 1 |
| Yadlapalli | 0 |
| Yagci | 12 |
| Yagcioglu | 1 |
| Yael | 2 |
| Ya Fen | 0 |
| Yag | 1 |
| Yagha | 0 |
| Yaghi | 37 |
| Yaghoobi | 0 |
| Yagi | 6 |
| Yaglipinar | 2 |
| Yago | 2 |
| Yaguchi | 3 |
| Yahko | 1 |
| Yahya | 19 |
| Yahyaie | 2 |
| Yaghmaee | 1 |
| Yaghoub | 1 |
| Yaich | 1 |
| Yaing | 1 |
| Yakimenko | 4 |
| Yagmoor | 1 |
| Yakimov | 14 |
| Yakimova | 1 |
| Yakopo | 4 |
| Yakou | 10 |
| Yakoub | 8 |
| Yakovina | 2 |
| Yakovlev | 5 |
| Yakmor | 1 |
| Yaksich | 10 |
| Yakub | 5 |
| Yakubova | 1 |
| Yakup | 7 |
| Yakushov | 0 |
| Yalamirinnyawuy | 0 |
| Yakoob | 2 |
| Yakw | 1 |
| Yalagala | 1 |
| Yalden | 24 |
| Yalaz | 1 |
| Yali | 6 |
| Yaldalo | 0 |
| Yallouz | 1 |
| Yaloui | 2 |
| Yalumul | 0 |
| Yam | 83 |
| Yalo | 0 |
| Yaloussis | 1 |
| Yamagishi | 7 |
| Yamagishism | 1 |
| Yamagiwa | 1 |
| Yamahara | 2 |
| Yamamoto | 49 |
| Yamamura | 4 |
| Yamane | 4 |
| Yamaner | 2 |
| Yamaura | 2 |