Johann Tobias Krebs (7 July 1690 – 11 February 1762) was a German organist and composer.
Krebs was born in Heichelheim and died in Buttstädt. He is known as a student of Johann Gottfried Walther and Johann Sebastian Bach.
He is believed to be the composer of the Eight Short Preludes and Fugues previously attributed to J.S. Bach.