The Faculty of Medicine, Thammasat University (Thai: คณะแพทยศาสตร์ มหาวิทยาลัยธรรมศาสตร์) is a medical school in Thailand in Khlong Luang District, Pathum Thani Province.

It is the eleventh faculty of Thammasat University and ninth medical school set up in Thailand.

Thammasat University laid plans to build a faculty to teach medicine in 1979.

The project was initiated in 1986 when the construction of Thammasat University Hospital was started.

The council of the university then approved the construction of a Faculty of Medicine in August 1988, followed by cabinet approval on 30 January 1990 and finally by royal decree of King Bhumibol Adulyadej on 19 March 1990.