Francesco A. Vallotti (c. 1660 – 1745) was an Italian composer and music theorist, primarily associated with the Baroque and early Classical music periods. He is best known for his contributions to music theory, particularly his treatise "Regole per la pratica di musica" (Rules for Music Practice), published in 1705, which provided valuable insights into counterpoint and harmony. Vallotti's musical output includes various compositions for keyboard and vocal music, emphasizing the emerging galant style that characterized the transition between the Baroque and Classical eras. His most notable works comprise keyboard sonatas and a collection of sacred music, which reflects both the stylistic elements of his time and his innovative approach to melody and form. While Vallotti may not be as widely recognized as contemporaries like Vivaldi or Scarlatti, his theoretical contributions significantly impacted music education and composition practices in the 18th century. His emphasis on practical music-making and clarity in musical instruction helped shape future generations of musicians and theorists, securing his place in the history of music theory.