Friedrich Ludwig Seidel (1821–1896) was a German composer and music educator, primarily active in the 19th century. He is best known for his contributions to the romantic era of classical music, focusing on choral and orchestral works, as well as operas. Seidel’s music is characterized by rich melodic lines and intricate harmonies typical of the time. Among his notable works are the operas "Die Brüder" (1860) and "Martha" (1869), which reflect his skill in vocal composition. He also composed a significant number of choral pieces and instrumental works, contributing to the repertoire of church and concert music. Seidel's impact on music extends beyond his compositions; he was a dedicated educator, influencing future generations of musicians. His pedagogical efforts, particularly in the area of choral conducting, helped shape the educational landscape of music in Germany during his time. Although not as widely recognized today, Seidel’s work contributed to the broader development of German Romantic music and the cultivation of choral traditions, leaving a lasting legacy in the field of music education.