Costanzo Antegnati Sheet Music
- Born: 1549
- Died: 1624
- Birthplace: Brescia, Italy
Costanzo Antegnati was an Italian organist, composer and organ builder; member of a famous family of organ builders. He was organist of Brescia cathedral from 1584-1619, and published volumes of Masses and psalms for double choir, motets and madrigals; also a volume of organ ricercars (1608) containing an introduction entitled L'arte organica, which discusses registration and lists the organs his family had built.