Hanna Mikhail, nome de guerre Abu Omar, (Arabic: حنا ميخائيل, romanized: Ḥannā Mīḫāʾīl; 1935–unknown) was a Palestinian scholar and a Fatah member who disappeared in 1976.

[7] His thesis was entitled Politics and Revelation: Mawardi and After, and Mikhail's supervisor was the Israeli Orientalist Nadav Safran.

[2] Mikhail was active in the formation of the Palestine Liberation Organization's (PLO) international relations and information departments.

[9] He helped the production of an Italian film on the Palestinian resistance movement of which the script was written by Romano Ledda in collaboration with Wael Zwaiter.

[9] Mikhail also arranged various conferences, festivals, and collaborative committees and was active in the management of the International Solidarity Camp based in Amman to improve the relations between Western Europeans and the Palestinian revolutionaries.

[6] Mikhail and other PLO members left Jordan in 1971 after the events known as Black September and resided in Beirut.

[2] The Christian Science Monitor reported in September 1976 that Mikhail and his companions were secretly imprisoned by either Syrian or the Phalange forces.

[4] In Jean Genet's Un captif amoureux (1986; French: Prisoner of Love) the main character is Abu Omar referring to Hanna Mikhail.