瓦斯明斯特尔（荷兰语：Waasmunster）是位于比利时东佛兰德省部的一座城市，人口10,499人（2011年）。

Waasmunster (Dutch pronunciation:[ˌʋaːsˈmɵnstər]) is a municipality located in the Flemish province of East Flanders, in Belgium. The municipality only comprises the town of Waasmunster proper. On January 1, 2011, Waasmunster had a total population of 10,499. The total area is 31.93 km² which gives a population density of 329 inhabitants per km².