Henry XI of Legnica, thrice Duke of Legnica (d. 1588)

Henry XI of Legnica (Polish: Henryk XI Legnicki; Schloss Liegnitz, 23 February 1539 – Krakow, 3 March 1588), was thrice Duke of Legnica: 1551-1556 (under regency), 1559–1576 and 1580-1581.

He was the eldest son of Frederick III, Duke of Legnica, by his wife Katharina, daughter of Henry V, Duke of Mecklenburg-Schwerin.