Jonathan David Magonet (born 2 August 1942) is a British rabbi theologian, Vice-President of the World Union for Progressive Judaism, and a biblical scholar. He is highly active in Christian-Jewish dialogue, and in dialogue between Jews and Muslims. He was the long-time Principal (Rector or academic director), now retired, of London's Leo Baeck College, the first Liberal Jewish seminary of all of Europe since World War II. He resides in London with his wife Dorothea.