Lệ Hằng, full name Bùi Lệ Hằng, born in 1975 in Sơn Dương, Tuyên Quang, is a former Vietnamese actress. She is best known and famous nationwide in 1997 with the role of Hoài "Thatcher" in the three-episode film series "Xin hãy tin em" by director Đỗ Thanh Hải. She retired since 2012.