The Chief Baron of the Irish Exchequer was the Baron (judge) who presided over the Irish Court of Exchequer. This was a mirror of the equivalent court in England, and was one of the four courts which sat in the building in Dublin which is still called The Four Courts.

The Court of Exchequer (Ireland), or the Irish Exchequer of Pleas, was one of the senior courts of common law in Ireland. It was the mirror image of the equivalent court in England. The Court of Exchequer was one of the four royal courts of justice which gave their name to the building in Dublin in which they were located, which is still called the Four Courts, and is in use as a courthouse.