Robert R. Pattrick (21 November 1926 – 17 August 1960) was a twentieth-century writer on Oz and L. Frank Baum. His book Unexplored Territory in Oz was published by The International Wizard of Oz Club in 1963. Pattrick's essay on "Oz Geography" was printed serially in four issues of The Baum Bugle in 1959 and 1960. His article on "The Flag of Oz" appeared in the Bugle in October 1958. His story "Glinda and the Red Jinn" is in the 1977 issue of Oziana.