| Willa | Woman | American Names |
| Willamena | Woman | American Names |
| Willene | Woman | American Names |
| Wilma | Woman | American Names |
| Wilona | Woman | American Names |
| Wind | Woman | American Names |
| Windy | Unisex | American Names |
| Winlyn | Woman | American Names |
| Winola | Woman | American Names |
| Winter | Unisex | American Names |
| Winterlynn | Woman | American Names |
| Wood | Man | American Names |
| Woody | Man | American Names |
| Worth | Man | American Names |
| Wrenley | Woman | American Names |
| X-iomania | Woman | American Names |
| Xadrian | Man | American Names |
| Xael | Unisex | American Names |
| Xaila | Woman | American Names |
| Xakery | Man | American Names |