Maximilian, Margrave of Baden, Duke of Zähringen (Maximilian Andreas Friedrich Gustav Ernst August Bernhard; born 3 July 1933), is the elder son of Berthold, Margrave of Baden and Princess Theodora of Greece and Denmark.
Through his mother, he is the eldest living nephew of Elizabeth II and Prince Philip, Duke of Edinburgh, and is first cousin to Charles, Prince of Wales.
He is the head of the Grand-Ducal House of Baden and the representative of the descent of the Kings of Sweden of the House of Holstein-Gottorp.