ONEWE (KOR: 원위) is a South Korean alternative rock band signed to RBW. The group was formerly known as MAS (마스) and M.A.S 0094 (마스 공공구사).

The group consists of 5 members– main vocalist YongHoon, drummer Harin, guitarist Kang Hyun, pianist Dongmyeong and bassist Giuk. They originally debuted in 2015 as M.A.S 0094 and redebuted as ONEWE with 1/4 in 2019.