Huỳnh Phương Đài Trang (born 1 August 1993) is a Vietnamese former tennis player.

Trang has career-high WTA rankings of 876 in singles, reached in April 2010, and 380 in doubles, achieved on 23 July 2012.

Playing for Vietnam Fed Cup team, Trang has a win–loss record of 4–3.

She made her WTA Tour main-draw debut at the 2010 Malaysian Open, where she was given a wildcard into the doubles event with Jawairiah Noordin of Malaysia.

At the 2011 Southeast Asian Games she won two bronze medals, in the doubles and the team events.