Achel Brewery or Brouwerij der Sint-Benedictusabdij de Achelse Kluis is a Belgian Trappist brewery, and the smallest of the Belgian Trappist breweries. It is located in the Abbey of Saint Benedict in the Belgian municipality of Hamont-Achel. It brews five Trappist beers.
Achel Brewery is the smallest breweery located within the regions of Belgium.