John of Pontoise (Latin: Johan de Pontissara;[1] died 1304) was a medieval Bishop of Winchester in the Kingdom of England, serving from 1282 to 1304.
[2][3] He was an Archdeacon of Exeter and a papal chaplain before Pope Martin IV provided him to the see of Winchester on 9 June 1282; he was consecrated before 15 June 1282.
[4] In 1303, he helped negotiate the Treaty of Paris that ended the 1294–1303 Gascon War.
[5] John of Pontoise died on 4 December 1304.
[4] This article about an English bishop or archbishop is a stub.