Abu Hamza may refer to:

• Abu Hamza al-Masri (born 1958), Egyptian Muslim cleric, imprisoned in the UK
• Mahmoud al-Majzoub (1965 2006), leader of the Palestinian Islamic Jihad
• Abu Hamza al-Muhajir (1968 2010), leader of Al-Qaeda in Iraq
• Abu Hamza Rabia (died 2005), al Qaeda leader killed in Pakistan
• Abu Hamza al-Thumali, disciple of Ali al-Rida
• See Islamic Information and Services Network of Australasia for Samir Mohtadi, Australian Muslim cleric aka Abu Hamza

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