Thierry Ascione (born 17 January 1981) is a retired professional tour male tennis player from France. He turned pro in 2000 and retired in September 2010, reaching a career-high singles ranking of World No. 81 in February 2004.
|Country (sports)|| France|
|Born||17 January 1981|
|Height||1.87 m (6 ft 1 1⁄2 in)|
|Retired||24 September 2010|
|Plays||Right-handed (one-handed backhand)|
|Career record||22–54 (at ATP Tour level, Grand Slam level, and in Davis Cup)|
|Highest ranking||No. 81 (9 February 2004)|
|Grand Slam Singles results|
|Australian Open||2R (2004)|
|French Open||2R (2007)|
|Wimbledon||1R (2004, 2008)|
|US Open||1R (2004, 2007)|
|Career record||12–25 (at ATP Tour level, Grand Slam level, and in Davis Cup)|
|Highest ranking||No. 140 (3 May 2004)|
He played Roger Federer in the second round of Roland Garros 2007, saving five match points in the third set and holding two set points before eventually losing in straight sets.
He is coaching the former world no.3 WTA player, Elina Svitolina. He is also coach to former world no.7 atp player Richard Gasquet.