Philippe Brun (April 29, 1908, Paris - January 15, 1994, Paris) was a prominent French jazz trumpeter known for his contributions to the jazz scene from the late 1920s through the mid-20th century. He began his professional career playing with the bands of Gregor, Danny Polo, and Ray Ventura. In the early 1930s, Brun expanded his career to London, where he collaborated with notable bandleaders such as Bert Ambrose, Jack Hylton, and Fred Waring.

Returning to Paris around 1936, Brun continued to make his mark in the jazz world by performing with Jazz du Poste Parisien and rejoining Ray Ventura. He also played with Alix Combelle, where he showcased his versatility by doubling as a clarinetist in recordings from 1937 to 1942. His collaboration with the legendary Django Reinhardt from 1939 to 1940 saw him doubling as a trombonist.

During World War II, Brun relocated to Switzerland, where he worked with musicians Eddie Brunner, André Ekyan, Edmond Cohanier, and Teddy Stauffer. In addition to his performances, he recorded as a bandleader from 1937 to 1940, further cementing his influence in the jazz genre.

Philippe Brun was married to Annie Fratellini, a talented vocalist and comedian who performed alongside artists such as Raymond Fol and Kenny Clarke. Brun's legacy as a jazz trumpeter is remembered for his contributions to both French and international jazz music.