Sir John Bolton (died 11 September 1980) was an accountant and Manx politician. He played a prominent role in the politics of Tynwald, serving both as a member of the Legislative Council and the House of Keys. From 1967 to 1977, he was the Island's Chairman of the Finance Board, effectively acting as the Chancellor of the Exchequer on the Isle. He was further qualified as a chartered accountant, and applied these skills in his capacity on the Finance Board. Under his stewardship, the Isle of Man underwent significant economic development in the 1970s. In total, he served in some role on the Executive Council of the Isle of Man for a record tenure of 23 years, thereby marking him as one of the most crucial Manx political figures of recent memory. He died on 11 September 1980, aged 79.