Marcel Guilloux (Breton: Marsel Gwilhou; 8 October 1930 – 11 June 2024) was a French singer and storyteller from Brittany.

[1] In addition to his career as a farmer, he was active in the world of kan ha diskan and modern fest noz.

[5] With the revival of Breton culture following World War II, he helped organize dance competitions.

[2] He also told traditional Breton stories, teaching courses on the topic in La Chapelle-Neuve,[8] Paris, Quebec, and Denmark.

[13] In 2019, Dastum and the Presses Universitaires de Rennes published a biography and CD on his work for the cultural heritage of Brittany titled Marcel Le Guilloux.