The Ma Wat River (Chinese: 麻笏河) is a river in Fanling, northern New Territories, Hong Kong. Its source lies at Kau Lung Hang Shan. The river flows northwards towards Fanling, staying near the eastern industrial areas. It empties into the Ng Tung River near Kan Lung Tsuen.

• List of rivers and nullahs in Hong Kong

• 2007. 2007 Hong Kong Map. Easy Finder Ltd. ISBN 962-8751-15-8

• Rivers of Hong Kong, in Chinese

22°29′21″N 114°08′50″E / 22.4891°N 114.1472°E / 22.4891; 114.1472