John Sebastian Marlow Ward (22 December 1885 – 1949) was an English author who published widely on the subject of Freemasonry and esotericism. He was also the leader of a Christian sect, and the founder of the Abbey Folk Park, the earliest example of a in Britain. He was born in what is now Belize. In 1908 he graduated from the University of Cambridge with honours in history, following in the footsteps of his father, , who also had studied history before entering the priesthood of the Anglican Church.