- Wachs
- Wada
- Wade
- Waggener
- Wagner
- Wah
- Wahhab
- Wainwright
- Wair
- Wait
- Wakovlev
- Wald
- Walden
- Waldstein
- Walker
- Walkley
- Walko
- Wall
- Wallace
- Wallen
- Walls
- Walsh
- Walter
- Walters
- Wan
- Wang
- Warburg
- Ward
- Wardell
- Warnock
- Warren
- Wasserman
- Watan
- Watson
- Watson-Jones
- Watt
- Wattenberg
- Watters
- Wayland
- Wayne
- Webb
- Weber
- Weckman
- Wedekind
- Wehrer
- Wei
- Weible
- Weichel
- Weihl
- Weil
- Weiman
- Wein
- Weinberg
- Weiner
- Weinfeld
- Weinstein
- Wekselblatt
- Welch
- Wellenstein
- Welling
- Wellington
- Wellner
- Welsh
- Wen
- Weng
- Wenzel
- Werner
- Wernz
- Wertheimer
- Werthimer
- Wesche
- Wessel
- Wessels
- West
- Weston
- Weverka
- Weybright
- Whalen
- Wheeler
- Whilt
- Whitcher
- White
- Whitehead
- Whiteman
- Whitmire
- Whitney
- Whitson
- Whittemore
- Whitten
- Whittington
- Wicklas
- Wiederhold
- Wiegand
- Wiegner
- Wiener
- Wiggins
- Wignall
- Wike
- Wilcox
- Wilder
- Wilen
- Wilhelmsen
- Wilk
- Wilkinson
- Will
- Williams
- Williamson
- Willis
- Wilson
- Winder
- Winderl
- Wineke
- Winer
- Wingard
- Winslow
- Winsor
- Winters
- Wintersteen
- Winton
- Wintrup
- Wirth
- Wiseman
- Wiser
- Wisner
- Witstock
- Witteman
- Woidy
- Wojciechowski
- Wolcott
- Woldemicael
- Wolf
- Wolfe
- Wolff
- Wolper
- Won
- Wong
- Woo
- Wood
- Woodbury
- Woodrow
- Woodruff
- Woodward
- Woolhouse
- Woon
- Wooten
- Word
- Worley
- Worth
- Wright
- Wu
- Wyckoff
- Wylan
- Wynn
- Wyre
- Wysinger
- Wysong