Pinafore (disambiguation)

A pinafore is a sleeveless garment worn as an apron.

Pinafore may also refer to:
 * Pinafore dress, sleeveless, collarless dress intended to be worn over a blouse, shirt or sweater
 * Pinaforing, forced cross-dressing for erotic purposes
 * H.M.S. Pinafore, Gilbert and Sullivan opera
 * USS Pinafore (SP-450), United States Navy launch in commission from 1902 to 1920
 * Pinafore (software), a web client for Mastodon (software) designed for speed and simplicity