Jean V Charles, Count Snoy et d'Oppuers (2 July 1907 in Braine-l'Alleud – 17 May 1991) was a Belgian civil servant, diplomat and Christian Democratic politician of the PSC-CVP.

Jean-Charles was born son of Thierry Idesbald, Baron Snoy et d'Oppuers member of the Belgian Senate, mayor and Jacqueline de Pret Roose de Calesberg.

He married Countess Nathalie d'Alcantara and they lived at the Snoy family estate, the Castle of Bois-Seigneur-Isaac.

He studied Law and Thomistic philosophy at the Catholic University of Leuven.

He notably signed the Treaties of Rome for Belgium, together with Paul-Henri Spaak and Robert Rothschild in 1957.