Sir John Wray, 3rd Baronet (21 September 1619 – October 1664) was an English politician who sat in the House of Commons in 1654. Wray was the son of Sir John Wray, 2nd Baronet and his wife Grisella Bethell, daughter of Sir Hugh Bethell of Ellerton, Yorkshire. He matriculated from Magdalene College, Cambridge at Easter 1635 and was awarded MA in 1636. In 1654, Wray was elected Member of Parliament for Lincolnshire for the First Protectorate Parliament. He succeeded his father as baronet in December 1655.