Mustafa Ahmed Muhammad Uthman Abu al-Yazid (????? ???? ???? ????? ??? ??????), better known as Saeed al-Masri (???? ??????) or simply al-Masri (?????? = the Egyptian), (February 27, 1955 - May 21, 2010) was an Egyptian who was alleged to have acted as the financial chief for al-Qaeda.
Along with Mahfouz Ould al-Walid and Saif al-Adel, al-Masri was believed to have opposed the September 11 attacks two months prior to their execution.
He was killed in a targeted killing drone airstrike in Pakistan on May 21, 2010.