Frederick of Hesse, Frederik of Hesse, or Friedrich of Hesse may refer to:
Frederick of Hesse-Darmstadt (1616–1682), German soldier Frederick, Landgrave of Hesse-Eschwege (1617–1655) Frederick I of Sweden (1676–1751), Landgrave of Hesse-Kassel () Frederick II, Landgrave of Hesse (1720–1785; ) Prince Frederick of Hesse (1747–1837), Danish general and youngest son of Frederick II, Landgrave of Hesse Prince Frederik of Hesse (1771–1845), Danish general and grandson of Frederick II, Landgrave of Hesse Prince Frederick William of Hesse-Kassel (1820–1884), great-grandson of Frederick II, Landgrave of Hesse Prince Frederick Charles of Hesse (1868–1940), King-elect of Finland in 1918 Prince Friedrich of Hesse and by Rhine (1870–1873), youngest son of Louis IV, Grand Duke of Hesse
See also Frederick William, Elector of Hesse (1802–1875; ) Frederick William III, Landgrave of Hesse (1854–1888), titular elector of Hesse-Kassel Prince Alexander Frederick of Hesse (1863–1945), Head of the House of Hesse from 1888 to 1925 King Frederick (disambiguation) Prince Frederick (disambiguation) Frederica Louisa of Hesse-Darmstadt (1751–1805), queen consort of Frederick William II, King of Prussia Princess Friederike of Hesse-Darmstadt (1752–1782), first wife of Charles II, Grand Duke of Mecklenburg-Strelitz