Thầy Temple is a Buddhist temple in Quốc Oai District, Vietnam. The temple is also known as Thiên Phúc Tự. The temple was established in the 11th century during the reign of Emperor Lý Nhân Tông of the Lý dynasty. It is dedicated to Zen master Từ Đạo Hạnh (1072–1116). It is one of the oldest Buddhist temples in Vietnam, It is well maintained by the monks.