Lý Hoàng Nam (born 25 February 1997) is a Vietnamese tennis player.
Nam has a career high ATP singles ranking of 430 achieved on 21 May 2018.
He also has a career high ATP doubles ranking of 415 achieved on 24 July 2017.
He won the 2015 Wimbledon Championships – Boys' Doubles title along with his Indian partner Sumit Nagal, defeating Reilly Opelka and Akira Santillan in the final, becoming the first Vietnamese tennis player to win a Grand Slam trophy.
Nam represents Vietnam at the Davis Cup, where he has a win/loss record of 15–7.