- Wallflower
- Wanda
- Whoopie
- Wilhelmina
- Witch
- Wacky
- Waddles
- Wag-a-lot
- Wags
- Waldo
- Walrus
- Warhol
- Warlock
- Warrior
- Warthog
- Wasabe
- Web
- Wellington
- Whirlwind
- Whiskey
- Whisper
- Wiggles
- Wilbur
- Wild thing
- Wildwood
- Wilfred
- Willoughby
- Willow
- Wilson
- Wimpy
- Windjammer
- Windsor
- Windy
- Wink
- Winston
- Winthrop
- Wiseguy
- Wizard
- Wizkid
- Wolfgang
- Wonderdog
- Wonton
- Woodstock
- Woodwind
- Woody
- Woof
- Wookie
- Wooly mammoth
