Louis-Sebastien Lebrun (1740–1819) was a French composer and oboist, prominent during the late 18th and early 19th centuries. He is primarily recognized for his contributions to the classical music genre, particularly for his works featuring the oboe. Lebrun served as a member of the orchestra at the Opéra-Comique in Paris and later became a prominent figure in the development of wind instrument repertoire. Notable works include his concertos for oboe, which showcase virtuosic techniques and lyrical melodies, as well as his chamber music compositions that often feature woodwinds. His "Concertos for Oboe" and various sonatas remain significant in the oboe repertoire. Lebrun's impact on music is marked by his role in elevating the oboe as a solo instrument and his influence on subsequent generations of composers who wrote for woodwinds. His pedagogical contributions, including teaching, helped shape the next wave of musicians in France. Overall, while he may not be as widely recognized as some contemporaries, Lebrun's work is essential in understanding the evolution of oboe music and its place in classical compositions.