Francis Ernuszt de Csáktornya (Hungarian: csáktornyai Ernuszt Ferenc; c. 1500 – 29 August 1526), also known as Francis Hampó, was a Hungarian noble and royal chamberlain in the court of Louis II of Hungary.
Francis was the eldest son of John II Ernuszt, Ban of Croatia, Dalmatia and Slavonia and his second wife, Princess Margaret of Sagan (Żagań), daughter of Jan II the Mad.
From this marriage, Francis also had two half-brothers, Farkas and Caspar, who was the last male member of the Ernuszt family.
[3] Their marriage did not produce children, because Francis Ernuszt was soon killed in the Battle of Mohács on 29 August 1526.
The family property was inherited by his younger brother Caspar following his father's death around 1528.