Peter Astbury Brunt, FBA (23 June 1917 – 5 November 2005), known as P. A. Brunt, was a British academic and ancient historian. He was Camden Professor of Ancient History at the University of Oxford from 1970 to 1982. During his career, he lectured at the University of St Andrews, Oriel College, Oxford, Gonville and Caius College, Cambridge, and Brasenose College, Oxford.