John Sandale (or Sandall) was a Gascon medieval Lord High Treasurer, Lord Chancellor and Bishop of Winchester. Sandale inherited the manor of Wheatley within Long Sandale, Yorkshire and was granted Free warren in 1301. He also held the manor of Great Coates, Lincolnshire and was granted free warren there in 1313. Sandale was a canon of Lincoln and St. Paul's and provost of Wells before being appointed Chancellor of the Exchequer in 1307 on the accession of Edward II. He was dismissed the following year for political reasons.