Ludwig Deppe (1828–1890) was a German composer and pianist, primarily associated with the Romantic genre. Born in the city of Minden, Deppe studied music at the Royal Conservatory in Berlin and later became a prominent figure in the music scene of his time. He is best known for his piano compositions, which reflect the lyrical and expressive qualities of Romantic music. Among his notable works are the "Six Preludes for Piano," the "Variations on a Theme of Beethoven," and numerous character pieces that showcase his virtuosic style and emotional depth. Deppe also contributed to music education, serving as a teacher and mentor to many aspiring musicians, which further cemented his legacy. Although he may not be as widely recognized today compared to his contemporaries, Deppe's contributions to piano literature and his focus on technical and expressive performance have influenced later generations of pianists and composers. His works continue to be performed and studied, highlighting his role in the development of Romantic piano music and his impact on the evolution of piano pedagogy.