The term rex rabbit refers informally to one of at least eight breeds of domestic rabbit. One such breed is the Rex, which is recognized by the American Rabbit Breeders Association (ARBA) and by the British Rabbit Council (BRC). Other modern-day rex rabbit breeds are listed below. Care must be taken to distinguish the rex rabbit breeds from the three types of rex rabbit fur for which they are known.

Rabbit hair is the fur of the common rabbit. It is most commonly used in the making of fur hats and coats, and is considered quite valuable today, although it was once a lower-priced commodity in the fur trade.