Hans Leo Hassler Sheet Music
- Born: 26th October 1564
- Died: 8th June 1612
- Birthplace: Nuremberg, Germany
Hans Leo Hassler (in German, Hans Leo Haßler) was a German composer and organist of the late Renaissance and early Baroque eras, elder brother of composer Jakob Hassler. He was born in Nuremberg and died in Frankfurt am Main.