 William de Chesney (sometimes William of Norwich or William fitzRobert; died 1174) was a medieval Anglo-Norman nobleman and sheriff. Son of landholder in Norfolk, William inherited after the death of his two elder brothers. He was the founder of Sibton Abbey, as well as a benefactor of other monasteries in England. In 1157, Chesney acquired the honour of Blythburgh, and was sheriff of Norfolk and Suffolk during the 1150s and 1160s. On Chesney's death in 1174, he left three unmarried daughters as his heirs.
