Giovanni Agostino Perotti (c. 1520–1592) was an Italian composer and music theorist of the late Renaissance. He is primarily associated with the genre of vocal music, particularly madrigals and sacred compositions. Perotti's work reflects the intricate polyphony characteristic of the period, and he was known for his contributions to both secular and liturgical music. Notable works include his collection of madrigals, which demonstrate his skill in blending text and music, capturing the emotional depth of the poetry. His compositions were often published in anthologies, which helped disseminate his style and influence. Perotti also made significant contributions to music theory, with writings that discussed the principles of counterpoint and harmony, showcasing the intellectual rigor of Renaissance music. His impact on music can be seen in the way his works influenced later composers in the development of the madrigal and sacred music forms. Although not as widely recognized as some of his contemporaries, Perotti's contributions to the evolution of polyphonic music and his theoretical insights have earned him a place in the history of Renaissance music.