Carl Friedrich Christian Fasch (18 November 1736 – 3 August 1800) was a German composer and harpsichordist. Born in Zerbst, he was the son of the composer Johann Friedrich Fasch.
He was initially taught by his father.
In 1756 he began service at the court of Frederick the Great of Prussia, where he served as deputy to Court harpsichordist C.P.E. Bach, whose post he attained when Bach left the court for Hamburg in 1767.