Berthold Margrave of Baden
- Category : 1906-births
- Type : MGE
- Profile : 5/2 - Heretical / Hermit
- Definition : Triple Split
- Incarnation Cross : LAX Spirit 1
Prince of the House of Zähringen, as the son of Prince Maximilian, Margrave of Baden and Princess Marie Louise of Hanover and Cumberland. From 1929 until his death, he was the head of the House of Zähringen which had reigned over the Grand Duchy of Baden until 1918.
He married Princess Theodora of Greece and Denmark, daughter of Prince Andrew of Greece and Denmark and Princess Alice of Battenberg, on 17 August 1931 in Baden-Baden which made him the brother-in-law of Philip, Duke of Edinburgh. His bride was also his second cousin, through Christian IX of Denmark.
The couple had three children.
He died on 27 October 1963, aged 57, in Spaichingen. He was succeeded as Margrave and Head of House by his son Max.