Johann Heinrich Rettberg
Johann Heinrich Rettberg is the name of the following people:
- Johann Heinrich Rettberg (lawyer) (Johann Heinrich Retberg; Johannes Henricus Retbergk and name variants; 1636–1713), German lawyer, defendant at the University of Tübingen, 1667 at the University of Strasbourg; "Cellensis Saxo"
- Johann Heinrich von Rettberg (1676–1742), court advisor to Hanover for the electoral Brunswick-Lüneburg