Roger Foulon (3 August 1923 25 February 2008 Thuin) was a Belgian writer in French. He was the author of more than 120 works. He was the president of the Association of Belgian Writers in the French Language, from 1973 to 1994. From 1999 until his death he was a member of Belgian Royal Academy of French Language and Literature. He was born and died in Thuin. Thuin is a Walloon municipality located in the Belgian province of Hainaut. The Thuin municipality includes the old communes of Leers-et-Fosteau, Biesme-sous-Thuin, Ragnies, Biercée, Gozée, Donstiennes, and Thuillies.