A cat house is a cattery, a place where cats are housed.

Cat house may also refer to:

• Cat house (Kiev), a building in Kiev, Ukraine
• Cat house (Riga), a building in Riga, Latvia
• The Cat House, a house in Henfield, England
• The Cat House on the Kings, a cat sanctuary in California, United States

• "Cat House" (Charmed), an episode of the television series Charmed
• Cathouse: The Series, a television series documenting a brothel

• Cat tower, a piece of cat furniture
• Cat House radar, Soviet radar system
• An American slang word for a brothel

• Cathouse (disambiguation)