Lassen is a Danish surname.
Lassen may also refer to:
People Birger Stuevold Lassen (1927–2011) Cody Lassen Elna Lassen (1901–1930) Emil Lassen Flemming Lassen (1902–1984) Harald Lassen (born 1987) Jan Gerhard Lassen (born 1949) Jeane Lassen (born 1980) Matias Lassen (born 1996) Moira Lassen (born 1963) Stefan Lassen (born 1985)
Places Lassen, California, former name of Janesville, California Lassen Community College, community college in Susanville, California Lassen County, in northeastern California Lassen Peak, volcano in the Cascade Range Lassen National Forest in northeastern California Lassen Volcanic National Park, US national park in northeastern California Lassen Hotel (Wichita, Kansas), listed on the NRHP in Wichita, Kansas
Other USS Lassen (DDG-82), US Naval destroyer USS Lassen (AE-3), US Naval destroyer Lassen Fragment, parchment page from c. 1275. in the Royal Danish Library of Copenhagen USS Lassen Lassen State Highway Lassen Volcanic Center Lassen parsley Lassen sandverbena
See also Larsen (disambiguation) Larson (disambiguation) Lassen Hotel (disambiguation)