Meilen Tu (traditional Chinese: 涂美倫, simplified Chinese: 涂美伦, Hanyu Pinyin: Tú Měilún) (born January 17, 1978) is a former professional tennis player from the U.S.

Born in Tarzana, Los Angeles to Taiwanese parents, Tu was the US Open girls' singles champion in 1994.

At the 2006 DFS Classic, she reached the semifinals but lost to Vera Zvonareva, who eventually won the title.

Tu is married to Sam Sumyk, who formerly coached two-time grand slam champion Victoria Azarenka, Vera Zvonareva and Garbiñe Muguruza.

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