Tai Wai Nullah (Chinese: 大圍渠), sometimes referred to as the upper stream of Shing Mun River, is one of the nullahs of Shing Mun River in Tai Wai of Hong Kong.

The channelised nullah has a width of about 39 m. As water flow is very low most of the time, the concrete nullah bed is exposed.

• List of rivers and nullahs in Hong Kong

• Chuk, Lin-ping, "Reconnecting over nullah : community foci at Tai Wai", Postgraduate Thesis, Master of Architecture, University of Hong Kong, 1998
• Wong, Yin Kiu (June 2015). Back to the root : Hong Kong urban river revitalization (Master of Landscape Architecture). The University of Hong Kong. doi:10.5353/th_b5558701 (inactive 2024-04-12). hdl:10722/216311.{{cite thesis}}: CS1 maint: DOI inactive as of April 2024 (link)

22°22′44″N 114°10′35″E / 22.378912°N 114.176518°E / 22.378912; 114.176518