Peter Mullen (born 11 January 1942) is a British Church of England priest. He is the former Rector of St Michael, Cornhill and St Sepulchre-without-Newgate in the City of London. Mullen is Chaplain to the Honourable Company of Air Pilots, one of the Livery Companies of the City of London and the Anglican Chaplain to the London Stock Exchange, a largely honorific and historical post.