Muhammad Yusuf Uthman Abd al Salam (Arabic: محمد يوسف عثمان عبد السلام) (2014–1956) was the founder of Jund al-Aqsa, a Salafist jihadist group active in the Syrian Civil War. He is also commonly referred to by his nom de guerre Abu Abdulaziz al-Qatari (Arabic: أبو عبد العزيز القطري). He was a Jordanian citizen of Palestinian origin who lived in Qatar.
He was a longtime jihadist and veteran of al-Qaeda. He was allegedly affiliated with a number of terrorist organizations, including the al-Nusra Front, al-Qaeda in Iraq, and ISIS.