Ma'mun al-Hudaybi (Arabic: مأمون الهضيبي) (May 28, 1921 – January 8, 2004) was the sixth General Guide of the Muslim Brotherhood in Egypt.
He briefly succeeded Mustafa Mashhur as General Guide in 2002, and headed the Islamist group until his death on January 8, 2004.
His family was originally from ‘Arab al-Sawalha in Qalyubiyya, but moved wherever his father's work as a judge for the Justice Ministry took them.
He received a public education before graduating from the King Fouad University College of Law.
In terms of internal political organization, he is reported by historian Fawaz Gerges as believing that "members must show obedience to the senior leadership.