| Wolk | Wolkhausen | Womack | Womble | Wommock | Wood | Woodard |
| Woodbury | Woodham | Woodman | Woodring | Woodrough | Woodruff | Woods |
| Woodson | Woodward | Wooley | Woolslair | Wooten | Word | Wordehoff |
| Wordehoof | Wordell | Wordshoff | Wordsworth | Worley | Worner | Wort |
| Worth | Worthey | Worthington | Wozter | Wrede | Wright | Wuestefeld |
| Wumsly | Wuthrich | Wutrich | Wyat | Wyatt | Wyley | Wylly |
| Wynns | Wythe | Yarborough | Yarnell | Yates | Yawn | Yeamons |
| Yeant | Yeckerman | Yent | Yeoman | Yeomans | Yeumans | Yobst |
| Yocum | Yoemans | Yomans | Yon | Yonally | Yong | Yongblood |
| Yonge | York | Youmans | Younblood | Youndblood | Young | Youngblood |
| Younglove | Yulee | Yules | Zaberlina | Zachary | Zachry | Zackry |
| Zebenden | Zebendon | Zeeders | Zei | Zeidler | Zeigler | Zepperer |
| Zern | Zglener | Zipperer | Zipprer | Zubenden | Zweifel |