- Wabbington
- Wachholder
- Wachter
- Wack
- Wackerfuss
- Wadas
- Wade
- Wadlow
- Waetje
- Waggener
- Waggoner
- Wagman
- Wagner
- Wagoner
- Wahlhein
- Wahlstrand
- Wain
- Wait
- Waite
- Waitman
- Wakefield
- Walber
- Wald
- Waldbillig
- Waldman
- Waldon
- Wales
- Walfoort
- Walford
- Walker
- Walkiewicz
- Walkingshaw
- Walkington
- Wall
- Wallace
- Wallach
- Waller
- Walley
- Wallis
- Walls
- Walrod
- Walsh
- Walters
- Walther
- Waltz
- Walz
- Wandschneider
- Wang
- Wanthal
- Wanty
- Ward
- Warden
- Warder
- Warders
- Wardle
- Ware
- Wareing
- Warf
- Warfield
- Warne
- Warneke
- Warnell
- Warner
- Warnke
- Warren
- Warskow
- Washington
- Wasserman
- Waszak
- Watanabe
- Waters
- Watkins
- Watland
- Watson
- Watt
- Watts
- Watwood
- Waugh
- Wawrzynek
- Way
- Waymire
- Waypa
- Weadock
- Wearner
- Wearshing
- Weatherman
- Weathers
- Weaver
- Webb
- Webber
- Webbert
- Weber
- Webner
- Webster
- Wedlake
- Weed
- Weegen
- Weekley
- Weeks
- Weglarz
- Wegner
- Wehrwein
- Weigand
- Weigle
- Weigt
- Weil
- Weinbach
- Weinberger
- Weinbrenner
- Weiner
- Weintritt
- Weisel
- Weiss
- Weissman
- Weithorn
- Weitman
- Welborn
- Welch
- Weldon
- Welk
- Welker
- Weller
- Wells
- Welp
- Welsh
- Wendel
- Wenger
- Wentworth
- Wenz
- Wenzel
- Werden
- Wermager
- Wermes
- Werner
- Wertz
- Wescott
- Wesley
- Wesolowski
- Wessel
- West
- Westcott
- Westerlund
- Western
- Westfall
- Westhoff
- Westley
- Westmont
- Weston
- Wetenhall
- Wetzel
- Whalen
- Whaley
- Whalley
- Wharton
- Whatley
- Wheeler
- Wheelock
- Whelan
- Whelpley
- Whetstine
- Whetstone
- Whitacre
- Whitaker
- White
- Whitehead
- Whiteley
- Whitely
- Whitesell
- Whiteside
- Whitfill
- Whiting
- Whitlock
- Whitlow
- Whitman
- Whitmer
- Whitmore
- Whitney
- Whittaker
- Whitten
- Whitton
- Wibirt
- Wick
- Wickliffe
- Wicks
- Widener
- Widmer
- Wiechert
- Wieland
- Wienecke
- Wienke
- Wier
- Wiese
- Wiggins
- Wigton
- Wilber
- Wilburn
- Wilcock
- Wilcox
- Wilcoxen
- Wilcoxon
- Wilcoxson
- Wild
- Wilde
- Wildy
- Wiles
- Wilger
- Wilgus
- Wilhelm
- Wilhelms
- Wilke
- Wilkerson
- Wilkie
- Wilkins
- Wilkinson
- Willard
- Wille
- Willeford
- Willers
- Willhite
- Williams
- Williamsen
- Williamson
- Williford
- Willing
- Willis
- Willison
- Willocks
- Wills
- Willson
- Wilmot
- Wilms
- Wilson
- Wilt
- Wiltgen
- Wiltse
- Wimberley
- Wimer
- Wimmer
- Wimp
- Wince
- Wincentsen
- Winchell
- Windell
- Winder
- Windman
- Winegart
- Wingrove
- Winius
- Winkey
- Winslow
- Winstel
- Winter
- Wintergalen
- Wintermute
- Winthrop
- Wipf
- Wisdom
- Wise
- Wiselus
- Wishart
- Wishousky
- Wisner
- Witte
- Witten
- Witter
- Wnek
- Wo
- Wodrich
- Woessner
- Wojahn
- Woldegebriel
- Woldt
- Wolf
- Wolfe
- Wolff
- Wollenman
- Wolnik
- Wolowicz
- Womack
- Wong
- Woo
- Wood
- Woodall
- Woodard
- Woodbury
- Woodfill
- Woodhull
- Woodmansee
- Woodruff
- Woods
- Wooley
- Wools
- Woolworth
- Wooten
- Wooton
- Worden
- Workman
- Wormley
- Worrall
- Worsley
- Wortham
- Wothe
- Wray
- Wrazen
- Wren
- Wright
- Wu
- Wudy
- Wuerch
- Wulff
- Wulze
- Wunderlin
- Wyatt
- Wyczalek
- Wynn
- Wynohradnyk
- Wysocki