琉森（德语：Luzern），是瑞士中部卢塞恩州的首府，位于卢塞恩湖(Lake Lucerne)畔，在瑞士的德语区内。

Lucerne (/ˌluːˈsɜːrn/; German:Luzern, [luˈtsɛrn]; French:Lucerne, [lysɛʁn]; Italian:Lucerna, [luˈtʃɛrna]; Romansh:Lucerna; Lucerne Swiss-German: Lozärn) is a city in central Switzerland, in the German-speaking portion of the country. Lucerne is the capital of the Canton of Lucerne and the capital of the district of the same name. With a population of about 80,501 people, Lucerne is the most populous city in Central Switzerland, and a nexus of transportation, telecommunications, and government of this region. The city's urban area consists of 17 cities and towns located in three different cantons with an overall population of about 250,000 people.