François de Paule Jacques Raymond de Fossa (1787–1840) was a French composer and guitarist known for his contributions to the Romantic guitar repertoire. His works primarily fall within the classical genre, showcasing the guitar's versatility and expressive capabilities. De Fossa was a contemporary of notable guitarists such as Fernando Sor and Mauro Giuliani, and he was heavily influenced by their styles. Among his notable works are the "Sonatas for Guitar," "Variations," and a series of chamber pieces that often feature the guitar alongside other instruments. His compositions are characterized by their melodic richness, intricate harmonies, and technical demands, making them significant in the development of guitar music during the early 19th century. De Fossa's impact on music lies in his ability to elevate the guitar as a solo and chamber instrument, contributing to its established repertoire. His work remains influential among guitarists and composers, and he is recognized for bridging the classical traditions with the emerging Romantic style, paving the way for future generations of guitar composers.