Tsat Muk Kiu () is a village in the North District, in the northwestern New Territories of Hong Kong. The village consists of Sheung Tsat Muk Kiu () and Ha Tsat Muk Kiu ().
Tsat Muk Kiu is a recognized village under the New Territories Small House Policy.
At the time of the 1911 census, the population of Ha Tsat Muk Kiu was 76. The number of males was 27.