A superstore, also called a big-box store, is a physically large retail establishment, usually part of a chain of stores.

Superstore can also refer to: Real Canadian Superstore, a Canadian hypermarket chain founded in 1979 SuperStor, a brand of disk compression software manufactured by Addstor, Inc. in the 1990s Superstore (TV series), an NBC sitcom that premiered in 2015 Saturday Superstore A BBC Children's TV series of the 1980s

See also Supermarket