Wallace's Flying Frog 
Warszewitsch's frog 
Warty bright-eyed frog 
Watchful Rain Frog 
Waynad Bush Frog 
Webb's Madagascar Frog 
Western Cane Toad 
Western toad 
Western Torrent Frog 
Whistling coquí 
Whistling tree frog 
White Madagascar Frog 
White-edged tree frog 
White-lined leaf frog 
White-lipped bright-eyed frog 
White-lipped frog 
White-lipped tree frog 
White-spotted Foot-flagging Frog 
Wood frog 
Woodhouses Toad 
Wright's mountain tree frog 
Yellow Cururu Toad 
Yellow-banded poison dart frog 
Yellow-bellied poison frog