The canton of Buzancy () is a former French canton located in the department of Ardennes in the Champagne-Ardenne region (now part of Grand Est). This canton was organized around Buzancy in the arrondissement of Vouziers. It is now part of the canton of Vouziers.

The last general councillor from this canton was Pierre Vernel (UMP), elected in 2008.

Composition The canton of Buzancy grouped together 18 municipalities and had 1,841 inhabitants (2012 census without double counts).

Buzancy Bar-lès-Buzancy Bayonville Belval-Bois-des-Dames La Berlière Briquenay Fossé Harricourt Imécourt Landres-et-Saint-Georges Nouart Oches Saint-Pierremont Sommauthe Tailly Thénorgues Vaux-en-Dieulet Verpel

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