John Arthur "Jack" or "J.A." Andrews (27 October 1865 – 26 July 1903), was an Australian anarchist theoretician, agitator and journalist. He was also a poet and inventor and author of fiction. He was born in Bendigo, Victoria to John Andrews, a clerk, and his wife Eliza Mary Ann, whose maiden name was Barnett. He matriculated from Scotch College, Melbourne in 1881.