Haythem Jouini (Arabic: هيثم جويني; born 7 May 1993) is a Tunisian footballer who plays for Dibba Al-Hisn as a striker.

[2] He made his senior debut for the club on 10 November, coming on as a late substitute for Emmanuel Clottey in a 2–1 away win against Olympique Béja.

He scored a brace in a 5–1 home routing of JS Kairouan on 8 December, and added a hat-trick in a 4–1 success at Olympique du Kef the following 24 February, finishing his first senior season with eight goals.

On March 24, 2023, Jouini made his debut for Tunisia in a 3-0 win over Libya in the 2023 Africa Cup of Nations qualification phase, scoring the 3rd goal of the game.

Jouini would also score the only goal of the game 4 days later in a 1-0 win against the same opposition to cement Tunisia's spot at the top of group J.