Muara–Tutong Highway, (Malay: Lebuhraya Muara–Tutong; Jawi: ليبوهراي توتوڠ-موارا) is a major, inter-district highway in Brunei, and is the main road connecting the Brunei Muara and Tutong districts. It is sometimes referred to as the coastal highway due to it being mostly parallel to the coastline of Brunei.