Abu Hafs

• Abu Hafs Umar al-Nasafi, a Muslim scholar of 11th/12th century
• Mohammed Atef, past military chief of al-Qaeda
• Umar I of Crete, early ninth-century Andalusian pirate and founder of the Emirate of Crete
• Abu Hafs ibn Amr, last Arab emir of Malatya
• Abu Hafs al-Urduni, Jordanian mujahid who fought in Chechnya
• Mahfouz Ould al-Walid, Islamic religious scholar associated with the Taliban and al-Qaeda. He opposed the September 11 attacks and has since distanced himself from al-Qaeda
• Abu Hafs al-Hashimi al-Qurashi, a militant and the fifth and current caliph of the Islamic State.