Roosdaal (Dutch pronunciation: [ˈroːzdaːl] ⓘ) is a municipality located in the Belgian province of Flemish Brabant.

The municipality comprises the towns of Borchtlombeek, Onze-Lieve-Vrouw-Lombeek, Pamel and Strijtem.

Roosdaal is well known in Flanders for its berries through its annual strawberry convention.

One of its most notable tourist attractions is the historic Hertboom Windmill.

[2] In 2008, during a national television competition, Onze-lieve-vrouw-Lombeek was voted "The most beautiful village in Flemish Brabant", but it lost the overall Flemish competition to the town of Oud-Rekem.