Nonce

Nonce may refer to:
 * Cryptographic nonce, a number or bit string used only once, in security engineering
 * Nonce word, a word used to meet a need that is not expected to recur
 * The Nonce, American rap duo
 * Nonce orders, an architectural term
 * Nonce, a slang term chiefly used in Britain for alleged or convicted sex offenders, especially ones involving children