Lý Hoàng Nam (born 25 February 1997) is a Vietnamese tennis player. Nam has a career high ATP singles ranking of 239 achieved on October 17, 2022. He also has a career high ATP doubles ranking of 385 achieved on 12 November 2018. 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 25–10.