Thomas Oger (born 22 March 1980) is a Monegasque former professional tennis player.
Oger reached his highest individual ranking on the ATP Tour on October 29, 2007, when he became World number 249. He primarily played on the Futures circuit and the Challenger circuit. Oger joined the Monegasque Davis Cup team in 2010, having posted a 3âÂÂ3 record in singles and a 2âÂÂ2 record in doubles in six ties played.