瑟兰（法语：Seraing）是位于比利时列日省默兹河河谷的一座城市，人口60,740人（2006年）。

Seraing is a Walloon municipality of Belgium in Province of Liege. The municipality of Seraing includes the old communes of Boncelles, Jemeppe-sur-Meuse, and Ougrée. With Liège, Herstal, Saint-Nicolas, Ans, and Flémalle, it forms the greater Liège agglomeration (600,000 inhabitants). To the south of Seraing are the Condroz and the Ardennes regions.