Gergely Bornemissza (1526, Pécs – 1555, Constantinople) was a Hungarian soldier and national hero.
He is mainly known for his role as an explosives expert in the Siege of Eger (1552).
In 1554 he was captured by the Turks, and was executed by hanging in Constantinople after he refused to betray secrets about the defences at Eger.
He is the hero of Géza Gárdonyi's novel Eclipse of the Crescent Moon.
This biographical article related to the military of Hungary is a stub.