瓦塞日（法语：Wasseiges）是位于比利时列日省的一座城市，人口2,465人（2006年）。

Wasseiges is a Walloon municipality located in the province of Liège, in Belgium. On January 1, 2006, Wasseiges had a total population of 2,517. The total area is 24.45 km² which gives a population density of 103 inhabitants per km².

The municipality consists of the following sub-municipalities: Wasseiges proper, Acosse, Ambresin, and Meeffe.