Abdirahman Mohamud Haji Hassan (, ) is a Somali politician. He was the Mayor of Galkacyo, the capital of the Mudug region in north-central Somalia. A local businessman, Haji was appointed to the position in a 2009 election overseen by the autonomous Puntland administration. He was succeeded in office on August 24, 2011 by Saeed Abdi Farah.