ONEUS (원어스) is a South-Korean boyband under the record label RBW Entertainment, also known as a home to their brother group ONEWE and the popular girl group MAMAMOO. It consists of five members in total: Seoho, Leedo, Keonhee, Hwanwoong and Xion. Former member RAVN left in 2022.

The group made their debut in early January 2019 with “Valkyrie”, off of their first mini-album, LIGHT US.