Constantine of Hessen-Rotenburg (May 24, 1716 in Rotenburg – December 30, 1778 in Schloss Wildeck) was Landgrave of Hesse-Rotenburg from 1749 until his death.
Constantine was the son of Landgrave Ernest Leopold, Landgrave of Hesse-Rotenburg and his wife Countess Eleonore of Löwenstein-Wertheim.Constantine married in 1745 with Countess Marie Sophia Theresia Hedwigis Eva von Starhemberg, widow of William Hyacinth, Prince of Nassau-Siegen.
When she died in 1773, he remarried in 1775 with French Countess Johanna Henriette de Bombelles (1751-1822).