Ugo Nastasi (born 16 April 1993) is a French–Luxembourgish tennis player.

Nastasi has a career high ATP singles ranking of 656 achieved on 28 September 2015.

He also has a career high ATP doubles ranking of 697, also achieved on 28 September 2015.

Nastasi has represented Luxembourg at Davis Cup, where he has a win–loss record of 12–15, including a 5-set win against Casper Ruud from Norway.

This biographical article relating to Luxembourgish tennis is a stub.