Sir William Flamville (c. 1325 – c. 1396), of Aston Flamville, Leicestershire, was an English politician. He was the only son of Sir William Flamville of Aston Flamville and was knighted before November 1362. He was a Member (MP) of the Parliament of England for Leicestershire from 1362 to 1391. He was escheator for Warwickshire and Leicestershire for 1376–77 and 1389–90 and was appointed High Sheriff of Warwickshire and Leicestershire for 1379–80 and 1388–89.