Agnes of Loon (1150–1191), was a duchess consort of Bavaria, married to Otto I of Wittelsbach, Duke of Bavaria. She was regent of Bavaria during the minority of her son, Louis I, Duke of Bavaria, from 1183 to 1191.
- Occupation
- aristocrat
- Position held
- regent
- Citizenship
- Duchy of Bavaria
- Born
- 1150
- Died
- March 26, 1191, 1175