Henri-Jacques de Croes (circa 1705–1785) was a prominent Belgian composer and violinist of the Baroque period, known for his contributions to chamber music and instrumental works. Born in Brussels, he later moved to Paris, where he became associated with the vibrant musical scene of the time. De Croes is primarily recognized for his compositions for the violin, including sonatas and concertos that showcase both technical prowess and lyrical melodies. His notable works include "Sonate pour Violon et Basse Continue" and various trios, which exemplify the expressive style of the French Baroque. His compositions often feature intricate polyphony and rich harmonic language, reflecting the influence of both Italian and French musical traditions. Although not as widely known as some of his contemporaries, de Croes had a significant impact on the development of violin technique and the evolution of chamber music. His works contributed to the pedagogical repertoire and inspired later generations of musicians. His legacy lives on in the performance of Baroque music, providing insight into the stylistic practices of the era and the evolution of instrumental music.