James Martin Devaney (31 May 1890 – 14 August 1976) was an Australian poet, novelist, and journalist.
Born in Bendigo, Victoria, Devaney attended St. Joseph's College, Hunters Hill, entering the Marist Brothers juniorate in 1904. He took his vows in 1915. Under the pen-name 'Fabian', he contributed between 1924 and 1943 a nature column to the Brisbane Courier (renamed The Courier-Mail after 1933).