Abdallah S. Jum'ah (Arabic: عبد الله بن صالح بن جمعة;born 1941) is a prominent Saudi business executive and the former President and CEO of Saudi Aramco, a position he held from January 1995 to December 2008. He serves as a director of The Saudi Investment Bank and has been a director of Halliburton since 15 July 2010.