John Grant Fuller, Jr. (November 30, 1913 – November 7, 1990) was a New England-based American author of several nonfiction books and newspaper articles, mainly focusing on the theme of extraterrestrials and the supernatural. For many years he wrote a regular column for the Saturday Review magazine, called "Trade Winds". His books include We Almost Lost Detroit, The Ghost of Flight 401, Incident at Exeter, and The Interrupted Journey.