Bartholomew Iscanus (or Bartholomew of Exeter; died 1184) was a medieval Bishop of Exeter. He came from Normandy and after being a clerk of the Archbishop of Canterbury, was made Archdeacon of Exeter in 1155. He became bishop of Exeter in 1161. He was known as having excellence in canon law and theology and during his time as bishop visited all the parishes in the diocese to investigate how well-managed they were.