A surname from Old English. • Lord Byron, George Gordon (Noel) Byron, 6th Baron Byron (January 22, 1788–April 19, 1824), a famous English poet and leading figure in romanticism. • A male given name transferred from the surname, of mostly American usage. • A placename: • A number of places in the United States: • A census-designated place in Contra Costa County, California. • A city in Peach County, Houston County and Crawford County, Georgia. • A city in Ogle County, Illinois. • An unincorporated community in Kankakee Township, LaPorte County, Indiana. • An unincorporated community in Howard Township, Parke County, Indiana. • A town in Oxford County, Maine. • A village in Burns Township, Shiawassee County, Michigan. • A city in Olmsted County, Minnesota. • An unincorporated community in Osage County, Missouri. • A village in Thayer County, Nebraska. • A ghost town in Clark County, Nevada. • A town in Genesee County, New York. • A small unincorporated community in Greene County, Ohio. • A town in Alfalfa County, Oklahoma. • A town and unincorporated community therein, in Fond du Lac County, Wisconsin. • A town in Monroe County, Wisconsin. • A town in Big Horn County, Wyoming. • A number of townships in the United States, listed under Byron Township. • A neighbourhood of London, Ontario, Canada. • A local government area in northern New South Wales, Australia; in full, Byron Shire.