William Fitz Osbern may refer to:
- William Fitzosbern, 1st Earl of Hereford (died 1071), Norman magnate and friend of William the Conqueror
- William Fitz Osbern (1196), leader of popular revolt in London 1196
Famous quotes containing the word william:
“The desire to take medicine is perhaps the greatest feature which distinguishes man from animals.”
—Sir William Osler (1849–1919)