Korean is the other language listed on the KPop Demon Hunters soundtrack besides English.
The album's official metadata lists both English and Korean under languages. This reflects the film's Korean cultural setting and its fusion of contemporary K-pop with Korean mythology, fashion, folklore, and visual design. The music is aimed at an international audience while retaining Korean elements in its identity and presentation.
The language listing should not be interpreted as saying that every track uses both languages equally. It describes the languages represented across the album. Individual songs may emphasize English, Korean, or a combination of the two, depending on the fictional act and the scene in which the song appears.
The film itself is an American animated production, but its story centers on a Korean-inspired entertainment world. Huntrix and the Saja Boys are presented as K-pop acts, and their performances use music as part of the supernatural conflict. That combination makes the soundtrack's bilingual classification an important detail rather than a minor catalog note.