John I, Duke of Lüben, was a ruler of Lüben (Lubin) during 1441–1446 with his brother, as co-rulers, Haynau (Chojnów) since 1452, Brieg (Brzeg) and Goldberg (Złotoryja) during 1449–1450 with his brother, as co-rulers.
- Occupation
- monarch, feudatory, ruler
- Position held
- duke of Brzeg, Duke of Lubin, duke of Chojnów
- Citizenship
- Duchy of Brzeg
- Born
- 1425
- Died
- 1453, 1453