| Wade |
| Waffle |
| Waffles |
| Waggles |
| Wali |
| Walker |
| Wallie |
| Wally |
| Wallyo |
| Walter |
| Walter Elijah |
| Wanda |
| Warrior |
| Warrior Princess Zina |
| Washington |
| Washu Marie |
| Waterbottle |
| Watson |
| Waylon |
| Webe |
| Webee |
| Webster |
| Wednesday |
| Wednesday Addams |
| Wee Man |
| Wee Sean |
| Weesie |
| Weezer |
| Weezie |
| Weiner |
| Weiner Dog |
| Wellington |
| Wendell |
| Wendy |
| Wennie Doodle |
| Wentworth |
| Werra |
| Wesley | |
| Wexley |
| Whetto |
| Whiskey |
| Whiskey-Pete |
| Whisky |
| Whisper |
| White Boy |
| White Dog |
| White Girl |
| Whitey |
| Whitman |
| Whitney |
| Whizzer |
| Whoosh |
| Wicket |
| Wickett |
| Wickit |
| Wico |
| Widgen |
| Widgeon |
| Widget |
| Widgett |
| Wiener |
| Wiggles |
| Wiggy |
| Wilbert |
| Wilbour |
| Wilbur |
| Wildfyre |
| Wiley |
| Wilhelmina |
| Will |
| Willamina |
| Willard |
| Willee |
| Willem |
| Willey | |
| William |
| Willie |
| Willie B |
| Willie Nelson |
| Willie Wanka |
| Willma |
| Willoughby |
| Willow |
| Wills |
| Willson |
| Willy |
| Wilma |
| Wilson |
| Wimbleton |
| Wimpie |
| Windham |
| Windsong |
| Windsor |
| Winee |
| Wink |
| Wink Jamal Lewis |
| Winky |
| Winn |
| Winnie |
| Winnie Blue |
| Winnie Lillie |
| Winnie Poo |
| Winnie Pooh Bear |
| Winnie Taylor |
| Wins |
| Winslow |
| Winston |
| Winter |
| Wintrow |
| Wiper |
| Wish |
| Wiskers | |
| Wiskey |
| Wiz |
| Wizard |
| Wizzard |
| Wobie |
| Wolf |
| Wolfegang |
| Wolfgang |
| Wolfgang Pepito |
| Wolfie |
| Wolfy |
| Wonder |
| Woo |
| Woobie |
| Woody |
| Woofers |
| Woofie |
| Woofie Bear |
| Woofy |
| Wookie |
| Wooley |
| Woopee! |
| Woo-Woo |
| Worf |
| Wow-Wow |
| Wran Wran |
| Wrangler |
| Wriglee |
| Wrigley |
| Wrinkles |
| WuWu |
| Wyatt |
| Wylie |
| Wynona |
| Wynsome |
| Wynstn Too | |