| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 281 | Wikitoria | Polish | Polish form of Victoria: victory. | F | |
| 282 | Wikta | Polish | Polish form of Victoria: victory. | F | |
| 283 | Wiktorja | Polish | Polish form of Victoria: victory. | F | |
| 284 | WiMor | Polish | Polish form of Victor 'victor'. | M | |
| 285 | Wincent | Polish | Polish form of Vincent 'victor'. | M | |
| 286 | Wira | Polish | White. | F | |
| 287 | Wirke | Polish | White. | F | |
| 288 | Wit | Polish | Life. | M | |
| 289 | Yachne | Polish | Gracious. | F | |
| 290 | Yalgonata | Polish | Polish form of Margaret. Pearl. | F | |
| 291 | Zanns | Polish | God's gracious gift. | F | |
| 292 | Zarek | Polish | God protect the king. | M | |
| 293 | Zefjm | Polish | Zephyr. | F | |
| 294 | Ziven | Polish | Alive and vigorous. | M | |
| 295 | Zuzanny | Polish | Polish form of Suzanne. | F | |
| 296 | Zygmunt | Polish | Conquering protection. | M | |
| 297 | Zyta | Polish | Strong. | F | |
| 298 | Zytka | Polish | Strong. Variant of Zoe: life. | F | |