John of Savoy
John of Savoy (died 21 June 1339), lord of Visieu, was the only son of Baron Louis II of Vaud. He wed Marguerite of Chalon, daughter of the Count of Auxerre; the marriage remained childless.
During the war of Laupen he was sent to Bern and the opposing league's camp to seek mediation, but died in June 1339 before succeeding. His early death led Louis II to settle the barony of Vaud on his daughter Catherine in 1340.