Owenmore River may refer to: Owenmore River (Connemara), a river in Connemara, in County Galway, Ireland Owenmore River (County Mayo), a river in County Mayo, Ireland Owenmore River (County Sligo), a river in County Sligo, Ireland Owenmore River (County Cavan), a river in County Cavan, Ireland
See also An Abhainn Mhór (disambiguation), Irish name from which the above rivers' names are derived