Lazarus Spengler (Nuremberg, March 13, 1479 – Nuremberg, September 7, 1534) was a prominent supporter of Martin Luther and leader of the Protestant Reformation in Nuremberg, as well as a famous hymnwriter. Lazarus Spengler was the son of Georg and Agnes Spengler, and he was the ninth of twenty-one children. His father was a clerk in the Imperial Court of Justice. Lazarus Spengler enrolled in the University of Leipzig in 1491.