A cloister is a covered walkway with an open colonnade on one side that faces a quadrangle or garth.

Cloister or cloisters may also refer to:

Cloister (cocktail), a gin-based cocktail Cloister (typeface), a serif typeface Cloister Inn, one of the undergraduate eating clubs at Princeton University The Cloisters (disambiguation)

See also Cloistered clergy, religious orders whose members strictly separate themselves from the affairs of the external world Cloyster, a Pokémon