Andreas Armsdorff (1670 - 1699) was a German composer and organist.
He was born in Mühlberg, near Gotha, and studied music and law. At some point in his early life he moved to nearby Erfurt where he may have studied with Johann Pachelbel.
He worked as organist in various churches in Erfurt: Reglerkirche, Andreaskirche, and Kaufmannskirche. He died in Erfurt at the age of 29.[