Eugène D'Harcourt (1854–1945) was a French composer and conductor, primarily known for his contributions to the late Romantic and early 20th-century classical music landscape. He was associated with the genres of orchestral music, operas, and choral works. D'Harcourt studied under prominent figures such as Gabriel Fauré and Vincent d'Indy, which influenced his compositional style. Among his notable works are operas like "La Fille de l'air" and "Le roi d'Ys," as well as orchestral pieces and choral compositions that showcase his lyrical melodies and rich harmonies. His impact on music is primarily felt in his role as an educator and conductor, where he contributed to the development of music in France during a transformative period. D'Harcourt's work reflects the transition from Romanticism to more modern expressions in music. Although not as widely recognized today compared to his contemporaries, he played a crucial role in nurturing future generations of musicians and composers, thereby leaving a lasting influence on the French musical tradition.