Prince Frederick Adolf of Sweden (d. 1803)
Prince Frederick Adolf, Duke of Östergötland (Swedish: Fredrik Adolf; 18 July 1750 in Drottningholm – 12 December 1803 in Montpellier, France) was a Swedish Prince, youngest son of King Adolf Frederick of Sweden and Louisa Ulrika of Prussia, a sister of Frederick the Great, King of Prussia. He was given the title Duke of Östergötland.