Giovanni Battista Massarengo (c. 1660 – after 1715) was an Italian composer and violinist, primarily associated with the Baroque genre. Born in Italy, Massarengo is best known for his contributions to instrumental music, particularly for the violin and chamber ensembles. His works often reflect the stylistic elements of the late Renaissance and early Baroque periods, characterized by intricate melodies and a focus on expressive ornamentation. Among his notable works is the collection "Sonate a violino solo e basso continuo," published in 1707, which showcases his ability to blend virtuosic violin passages with a rich continuo accompaniment. This collection is significant for its influence on the development of violin technique and Baroque chamber music. Massarengo's impact on music, while not as widely recognized as contemporaries like Vivaldi or Corelli, lies in his role in the evolution of the sonata form and the violin repertoire. His contributions helped to pave the way for future generations of composers and violinists, highlighting the importance of the violin as a solo instrument in Western classical music.