A Shan Tseng Tau () or simply Tseng Tau () is a village in the Plover Cove area of Tai Po District, Hong Kong.
Tseng Tau, including A Shan and Tung Tsz, is a recognized village under the New Territories Small House Policy.
At the time of the 1911 census, the population of Tseng Tau was 48. The number of males was 21.