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

See also

• COIN-OR, the Computational Infrastructure for Operations Research project

• Coin (disambiguation)