COIN

COIN or COINS may refer to:


 * Coin (band) (often stylized COIN), an American indie pop band
 * COIN (board game), a series of asymmetric board games
 * Coinbase (Nasdaq: COIN), a company which operates a cryptocurrency exchange
 * Collaborative innovation network, innovative teams
 * Community of interest network
 * Combined Online Information System, a UK database containing HM Treasury's analysis of departmental spending
 * ContextObjects in Spans (COinS), a specification for publishing OpenURL references in HTML
 * Counter-insurgency
 * Counter-insurgency aircraft