Gus Viseur (1915–1974) was a Belgian accordionist who became a key figure in traditional jazz. Born in Belgium, he later moved to France, where his career reached its peak. Gus Viseur was known for his mastery of the musette style and his collaborations with leading musicians of his time. His most famous compositions, such as "Flambée Montalbanaise" remain classics of the genre. Gus Viseur contribution to jazz music included popularizing the accordion as a fully-fledged instrument in jazz, making his name legendary in musical circles.

• Genres: Традиционный джаз
• Country: Belgium
• Language: French, English