Ali Diab (Arabic: عَلِيّ دِيَاب; born 23 May 1982) is a Syrian former professional association footballer who played as a centre back.

He made 10 appearances for Syria during the qualifying rounds of the 2010 FIFA World Cup.

[1] In the 2009 Nehru Cup, Diab scored one goal in Syria's 1–0 victory over India.

Diab was selected to Valeriu Tiţa's 23-man final squad for the 2011 AFC Asian Cup in Qatar.

[2] He played in all of Syria's three group games against Saudi Arabia, Japan and Jordan.