Muak may refer to:
Music genre
- Muak (Muism) (Korean: 무악; Hanja: 巫樂) : Korean traditional music of Muism
- Muak (Korean traditional dance music) (Korean: 무악; Hanja: 舞樂) : Korean traditional music with dancing
Place
South Korea
- Muak (Korean: 무악; Hanja: 毋岳) : other name of Ansan mountain in Seoul
- Muak-dong (Korean: 무악동; Hanja: 毋岳洞) : a neighborhood in Jongno District of Seoul
- Muakjae station: a subway station in Seodamun District of Seoul
Thailand
- Muak Lek district : an amphoe of Saraburi province
Other
- Muak language : a minority language of Burma-China border region