Haitham Mostafa Karar (Arabic: هيثم مصطفي كرار; born 19 July 1977) is a Sudanese former footballer who played as midfielder.

He was the captain of Al-Hilal Omdurman and the Sudan national team.

He joined Al-Hilal in November 1995 after transferring from Al-Ameer Al-Bahrawi, a second league team.

He was on the verge to going to Everton in the transfer window in 2011, but it was declined.

In his youth years Haitham Mustafa was regarded as a highly talented holding midfielder.