Cù-Lao Ré is a volcanic field northeast of Quảng Ngãi, Vietnam. The field consists of 13 volcanic cones; four subaerial and nine submarine. Three of the subaerial cones formed the Cù-Lao Ré Island, while the fourth one formed the Cù-Lao Bai Island. The islands form the Lý Sán District of Quảng Ngãi Province.