Paul Luther (28 January 1533 – 8 March 1593) was a German physician, medical chemist, and alchemist.
He was the third son of the German Protestant Reformer Martin Luther and was successively physician to John Frederick II, Duke of Saxony; Joachim II Hector, Elector of Brandenburg; Augustus, Elector of Saxony and his successor Christian I, Elector of Saxony.