Costanzo Festa (c. 1490 – 1545) was an Italian composer and musician of the Renaissance, primarily known for his contributions to early polyphonic music. He was born in the region of Lombardy and is associated with the madrigal and motet genres, which were pivotal in the development of secular and sacred vocal music during this period. Festa's notable works include his collection of madrigals, which showcased the intricate vocal harmonies and expressive text settings characteristic of the time. His compositions often blended traditional forms with innovative techniques, making him an important figure in the transition from medieval music styles to those of the High Renaissance. One of his significant contributions is his role in the development of the Italian madrigal, influencing later composers such as Claudio Monteverdi. Festa's music was celebrated for its lyrical quality and emotional depth, helping to set the stage for the flourishing of vocal music in the late Renaissance. Though not as widely recognized as some of his contemporaries, Costanzo Festa's influence on choral and vocal music has had a lasting impact, marking him as a key figure in the evolution of Western music.