Siu Lek Yuen Nullah (Chinese: 小瀝源渠) is one of the nullahs of the Shing Mun River in Siu Lek Yuen, Hong Kong.
Coordinates: 22°23′14″N 114°12′23″E / 22.3873°N 114.2065°E / 22.3873; 114.2065