Muara Tuang is a state constituency in the Sarawak State Legislative Assembly in Malaysia. It is located within the Samarahan Division.
The constituency was created in 2016, following a redelineation exercise, and is mandated to return a single member to the Sarawak State Legislative Assembly using the first-past-the-post voting system. It encompasses areas including Muara Tuang town and surrounding villages.
Muara Tuang is currently represented by Dato Sri Idris Buang of Gabungan Parti Sarawak (GPS).
