Gaetano Maria Schiassi (c. 1700–1770) was an Italian composer and violinist, primarily associated with the Baroque and early Classical music periods. Although not as widely recognized as his contemporaries, Schiassi made significant contributions to the development of instrumental music in the 18th century. Schiassi is best known for his chamber music, particularly his sonatas for violin and continuo, which reflect the stylistic transition from the Baroque to the Classical era. His notable works include collections such as "Sonate a Violino e Basso" and "Sonate per Violino e Cembalo," which showcase his skill in melody and harmony, as well as his understanding of the emerging classical idiom. While Schiassi’s music may not have had a profound impact on the broader course of Western classical music, he played a role in the evolution of violin technique and the sonata form. His works continue to be of interest to performers and scholars exploring the repertoire of the transitional period between Baroque and Classical styles. Schiassi's contributions are recognized in the context of the rich tapestry of Italian music history.