Pier Francesco Corteccia (c. 1500–1571) was an influential Italian composer of the Renaissance, primarily associated with the genre of sacred music. He was born in Florence and is best known for his role as a leading figure in the development of polyphonic choral music during the 16th century. Corteccia served as a maestro di cappella at the Cathedral of Florence and held a similar position at the Basilica di Santa Croce. Among his notable works are numerous masses, motets, and hymns, with his "Missa in C" and various settings of the Magnificat being particularly recognized. Corteccia's compositions are characterized by their intricate counterpoint and expressive melodies, reflecting the stylistic traits of the Florentine school. His impact on music is significant, as he contributed to the evolution of sacred choral music, influencing subsequent composers in Italy and beyond. Corteccia's works are regarded for their emotional depth and technical sophistication, positioning him as a key figure in the transition toward the more ornate styles of the late Renaissance and early Baroque periods. His music remains a subject of study and performance in contemporary choral repertoires.