White tail or whitetail may refer to:

• Whitetail, Montana
• Whitetail Ski Resort

• White-tailed deer
• White-tailed jackrabbit

• Centropyge flavicauda or whitetail angelfish, an angelfish from the Indo-pacific Ocean
• Whitetail dascyllus or white-tailed damselfish, a common aquarium fish
• Whitetail dogfish, a sleeper shark from the Indian Ocean
• Sufflamen albicaudatum or whitetail trigger, a triggerfish from the Indian Ocean

• White-tailed eagle
• White-tailed kite

• Bothrops leucurus or whitetail lancehead, a Brazilian pit viper
• Two North American dragonflies in the genus Ladona:
  • Common whitetail
  • Desert whitetail
• White-tailed spider