William de Epworth

William de Epworth (died after 1348) was an English-born judge and Crown official in Ireland in the reign of King Edward III. His career was marked by conflict with two other judges, Nicholas de Snyterby and John de Troye, who contested his right to sit as a Baron of the Court of Exchequer (Ireland). He also faced allegations of corruption in his conduct in another non-judicial office, which was taken very seriously, but of which he was ultimately cleared.

He was born in Epworth, Lincolnshire. He was generally called "clerk". In 1341 he was appointed steward of the royal lands in Ireland.

In 1340 he was appointed second Baron of the Exchequer, but faced a challenge to his position from the Irish-born judge Nicholas de Snyterby.

Having cleared his name, he was reappointed to the Bench in 1348, but faced another challenge to his office from the Welsh-born judge John de Troye, who briefly replaced him. On this occasion Epworth was successful and de Troye stepped down, although he was allowed to retain the title Baron, and went on to hold other high offices, including Lord High Treasurer of Ireland. Epworth's date of death is not recorded.