Thornapple may refer to: Plants Datura species Crataegus species Solanum incanum Places in the US Thornapple Township, Michigan Thornapple, Wisconsin, a town Thornapple (community), Wisconsin, an unincorporated community Thornapple River, Michigan Thornapple River (Wisconsin) Thornapple Trail, Michigan Other uses Brutus P. Thornapple, the main character in the comic strip The Born Loser See also Little Thornapple River (disambiguation)