Tags: Christian Bishop.
John Bullock O.S.A. (d. 1439 × 1440) was an Augustinian canon and prelate active in the 15th century Kingdom of Scotland. While earning a university degree between 1409 and 1417 Bullock gained several benefices in Scotland and claimed the headship of St Andrews Cathedral Priory before becoming Bishop of Ross in 1418. He held the latter position until his death which occurred in either 1439 or 1440.