| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 401 | Yalens | Russian | Russian form of Helen: light. | F | |
| 402 | Yaremka | Russian | Appointed by God. | M | |
| 403 | Yasha | Russian | Defends man. | M | |
| 404 | Yelizaveta | Russian | Russian form of Elizabeth: consecrated to God. | F | |
| 405 | Yerik | Russian | Appointed by God. | M | |
| 406 | Yulenka | Russian | Russian form of Julia: youthful. | F | |
| 407 | Yuliya | Russian | Russian form of Julia: youthful. | F | |
| 408 | Yura | Russian | Farmer. | M | |
| 409 | Yuri | Russian | Variant of George. | M | |
| 410 | Yurii | Russian | Farmer. | M | |
| 411 | Yurik | Russian | Farmer. | M | |
| 412 | Yurochka | Russian | Farmer. | M | |
| 413 | Zaneta | Russian | Gift from God. | F | |
| 414 | Zena | Russian | From Zeus. | F | |
| 415 | Zenechka | Russian | Russian form of Eugenia: noble. | F | |
| 416 | Zenevieva | Russian | Russian form of Genevieve: white shoulders. | F | |
| 417 | Zenochka | Russian | From Zeus. | F | |
| 418 | Zeny | Russian | Russian form of Eugenia: noble. | F | |
| 419 | Zhenechka | Russian | Noble. | M | |
| 420 | Zhenya | Russian | Noble. | M | |