The Polish surname Dunin originated in the 12th century with Piotr Włost Dunin, who was the Palatine of Poland and the castellan of Wroclaw (Silesia). He was also the Brother in law of Duke Bolesław III Wrymouth (Boleslaw Krzywousty). The coat of arms associated with the surename is the Łabędź (swan). See: Duninowie family.
Piotr Włostowic, also known as 'Piotr Włost Dunin', a Silesian noble and voivode, adviser of the king of Poland (1080–1153).
Princess Mariya (Maria), daughter of Grand Duke Sviatopolk II of Kiev and Olena, daughter of Kuman/Kipchak chief Tugorkhan, she married Piotr Włostowic and co-founded the Dunin family.
Kinga Dunin (born 1954), "a literary critic and Poland's leading feminist",[3] author, and cultural journalist. Author of Tao of a Housewife (1996) and A Pumpkin Coach (2000).[4][5]
Elonka Dunin (born 1958), American cryptographer and game developer