Ock

Ock or OCK may refer to:


 * River Ock (disambiguation), three rivers in England
 * Ok (Korean name), also spelt Ock
 * Ock Joo-hyun (born 1980), South Korean K-pop singer and musical theatre actress
 * Océano Club de Kerkennah, a Tunisian football club
 * Ockendon railway station, Essex, England (National Rail station code OCK)
 * Olympique Club de Khouribga, a Moroccan football club
 * Olympic Committee of Kosovo