William de Mulsho (died ca. 1376) was a Canon of Windsor from 1361 to 1368 and King's Chamberlain to Edward III from 1365 to 1375.
He was appointed:
Surveyor of the King’s Works at Windsor 1358 - 1359Clerk of the Works at the Tower of London and Westminster PalaceRector of Amersham 1361Prebendary of Abergwili Collegiate Church 1361Binder of books in St Paul’s Cathedral 1361Prebendary of Bedford Major in Lincoln Cathedral 1361Prebendary of Dublin 1363Dean of St Martin’s le Grand 1365 - 1368King's Chamberlain of the Receipt 1365 - 1375Prebendary of the First Stall in St Stephen’s Westminster 1365 - 1368Prebendary of HastingsRector of St Nicholas ad Macellas 1368Keeper of the (Household) Wardrobe 1375 – 1376He was appointed to the eighth stall in St George's Chapel, Windsor Castle in 1361, and held the stall until 1368.