Buggenhout is a municipality in the Belgian province of East Flanders in the Denderstreek. The municipality comprises the towns of Buggenhout proper, Briel, Opdorp, and Opstal. On January 1, 2011 Buggenhout had a total population of 14,167. The total area is 25.25 square kilometres, which gives a population density of 548 inhabitants per square kilometre. The current mayor of Buggenhout is Tom Van Herreweghe, from the (local) NCD party.
Buggenhout is also known for its forest, the "Buggenhout Bos", which is the largest forest of East Flanders.