Pat Sin Leng Country Park () is a country park in Hong Kong located in the Northeastern New Territories. Established on 18August 1978, the country park covers of natural terrain. It comprises the Pat Sin Leng mountain range and other spurs, including Wong Leng, Ping Fung Shan, Cloudy Hill and Kwai Tau Leng. Hok Tau Reservoir and Lau Shui Heung Reservoir are also within the country park.