Dai River

Dai River may refer to:
 * Dai River (Hebei), a river in Hebei Province, China
 * Dai River (India), a river in Ajmer district, India
 * Dai-minsar River, a river in Gujarat district, India
 * Long Đại River, a river Quảng Ninh district, Quảng Bình province, North Central Coast, Vietnam