Abdullah Mehdar also known as Abdullah al-Mehdar and Abdullah al-Mehdarhad[1] (?-2010) was an al-Qaeda member who was the leader of an al-Qaeda cell in Yemen. On 13 January 2010 it was reported that he had been killed by Yemeni security forces[2]. He had been fighting alongside Shi'ite rebels in Saada before he was killed in a gunfight in the town of Sa'dah.[3]