David Chytraeus or Chyträus (26 February 1530 – 25 June 1600) was a German Lutheran theologian, reformer and historian. He was a disciple of Melancthon. He was born at Ingelfingen. His real surname was Kochhafe, which in Classical Greek is χύτρα, from where he derived the Latinized pseudonym "Chyträus". He is the author of a treatise on music, De Musica. Chytraeus died in Rostock, aged 70.