Aleksander Gieysztor

Aleksander Gieysztor (17 July 1916 – 9 February 1999) was a Polish medievalist historian.

Aleksander Gieysztor was born to a Polish family in Moscow, Russia, where his father worked as a railwayman.

In 1921, the family relocated to Poland and settled in Warsaw.

He was married to Irena Gieysztor née Czarnecka, a fellow historian.

This biographical article about a historian from Poland is a stub.