William Earle may refer to:
- William A. Earle (1919–1988), American philosopher
- William Earle (shipping), engineer and one of the founders in 1845 of Earle's Shipbuilding in Kingston upon Hull, England
- William Earle (USS Merrimac), Acting Master of the US Civil War steamer USS Merrimac when it sank on February 15, 1865
- William Earle, fictional character from the 2005 film Batman Begins
- Billy Earle, baseball player
- Major General William Earle (soldier) British Commander at the Battle of Kirbekan
- William Rawlinson Earle(c.1703-1774), British Member of Parliament for Cricklade, Malmesbury and Newport, Isle of Wight
- William Earle (MP)(1728-1774), British Member of Parliament for Cricklade
- William Benson Earle, philanthropist