Pa Daet (Thai: ป่าแดด) is a tambon (subdistrict) of Mueang Chiang Mai District, in Chiang Mai Province, Thailand. In 2009 it had a population of 16,859 people. The subdistrict is south of the city of Chiang Mai, on a branch of the Ping River. The Muang Chiang Mai Wetland is on this river in the subdistrict.