Riadh Jelassi () (born 7 July 1971 in Tebourba) is a Tunisian former professional footballer who played as a striker.
He was a member of the Tunisian national team at the World Cups in 1998 and 2002, although he only appeared as a substitute in Tunisia's last 1998 World Cup match against Romania, already eliminated. He scored 5 goals in 20 appearances for Tunisia.