List of Animals that start with Y
- Yabby
- Yak
- Yakutian Laika
- Yarara
- Yellow Anaconda
- Yellow Aphids
- Yellow Bass
- Yellow Bellied Sapsucker
- Yellow Belly Ball Python
- Yellow Bullhead Catfish
- Yellow Cobra
- Yellow Crazy Ant
- Yellow Perch
- Yellow Sac Spider
- Yellow Spotted Lizard
- Yellow Tanager (Black-and-Yellow Tanager)
- Yellow Tang
- Yellow-Bellied Sea Snake
- Yellow-Eyed Penguin
- Yellow-faced Bee
- Yellowfin Tuna
- Yellowhammer
- Yellowish Cuckoo Bumblebee (formerly Fernald’s Cuckoo Bumblebee)
- Yellowjacket (Yellow Jacket)
- Yellowtail Snapper
- Yellowthroat
- Yeti Crab
- Yokohama Chicken
- Yoranian
- Yorkie Bichon
- Yorkiepoo
- Yorkshire Terrier