De Dolle Brouwers ("The Mad Brewers") is a Belgian brewery, based in Esen in the province of West Flanders.

The grounds of the brewery and tasting room are open to visitors for tours once a week, and by appointment for larger groups.

All of the De Dolle products are bottle-conditioned, and additional seasonal or special brews are also produced.

De Dolle received 4 Gold Awards in respected user ratings site RateBeer in their Best Beers of Belgium 2008[2] and 2 in 2009.

[3] In 2000, De Dolle brewer and owner Kris Herteleer was awarded the biennial "Golden Hammer" award by Bruges-based brewing and cultural society 't Hamerken for his work in restoring the brewery to function and also research on local brewing history.