Stefano Ianni (Italian pronunciation: [ˈsteːfano ˈjanni, ˈstɛː-];[1][2] born 31 January 1981) is an Italian former professional tennis player.

Ianni competed mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles.

He reached his highest ATP singles ranking, No.

300 on 11 June 2007, and his highest ATP doubles ranking, No.

118, on 6 May 2013.