Acorn (disambiguation)

Acorn may refer to—

• a type of nut.
• the acorn-shell, a crustacean attached to rocks on the sea-shore, described by Huxley as "fixed by its head," and "kicking its food into its mouth with its legs."
• the community organization, ACORN.
• the computer company, Acorn Computers Ltd.
• the Canadian poet, Milton Acorn.
• the geodemography classification system ACORN in the United Kingdom.