Prince Emil of Hesse and by Rhine

Prince Emil of Hesse and by Rhine (German: Emil Maximilian Leopold von Hessen und bei Rhein, 3 September 1790 — 30 April 1856 was the fourth son of Louis I, Grand Duke of Hesse and his wife Princess Louise of Hesse-Darmstadt.

He was a commander during Napoleonic Wars. From 1820 to 1849, Prince Emil was a member of the Hessen Parliament. He died in 1856, at the age of 65. He was buried in Altes Mausoleum, Rosenhöhe Park, Darmstadt.