- Waaler
- Wachs
- Wacksman
- Wagner
- Wakefield
- Wakeman
- Wakewood
- Walbroehl
- Waldron
- Walker
- Wallace
- Wallingford
- Walsh
- Walter
- Walters
- Wark
- Warner
- Warnke
- Warnken
- Warsh
- Waterman
- Waters
- Wattenberg
- Waugh
- Weaver
- Webb
- Webber
- Webster
- Weglowski
- Weijola
- Weiner
- Weininger
- Weinlein
- Weir
- Weisberg
- Weiskotten
- Welles
- Wesoloski
- West
- Wethers
- Wetmiller
- Wheeler
- White
- Whitehead
- Whittaker
- Wiech
- Wiedemeier
- Wierschem
- Wiggins
- Wilcove
- Wilcox
- Wiley
- Wilkin
- Wilkins
- Wilkinson
- Willey
- Williams
- Wilsey
- Wilson
- Winne
- Winnie
- Wintz
- Wojtal
- Wolcott
- Wolfe
- Wolff
- Wolin
- Woloshin
- Wong
- Wood
- Woodard
- Woodhouse
- Woolf
- Wotzak
- Wright
- Wronoski
- Wutzer
- Wynnykiw
- Wyszomirski