Stéphane Grenier (born 9 January 1968)[1][2][3][4] is a former professional tennis player from France.

[6] Grenier first achieved attention winning the Galéa trophy for French Under-21 doubles in 1987.

[8] Also that year, Grenier made the semi-finals of the Lorraine Open, again partnering Delaître.

[8] The Frenchman appeared at Roland Garros again in 1990 and this time managed to progress past the first round, beating Jeremy Bates of Britain in straight sets.

[8] Grenier competed in the men's doubles as well, with Tarik Benhabiles and the pair had a win over Ville Jansson and Scott Warner, but once more were unable to reach the third round.