Lassa may refer to:
Biology and medicine Asthena lassa, a moth in the family Geometridae Lassa fever, a type of viral hemorrhagic fever caused by the Lassa virus Lassa virus, the arenavirus that causes Lassa fever Lassa hastata (Pavonia hastata), a shrub in the family Malvaceae Saphenista lassa, a species of moth of the family Tortricidae
Places Lassa, a town in Borno State, Nigeria Lassa, Lebanon, a municipality in the Byblos District of Mount Lebanon Governorate, Lebanon Lassa, Togo, a city in the Kara Region of Togo Lhasa or Lassa, the inner urban district of the city Lhasa, Tibet, China Lhasa (city)
Other uses Lassa Oppenheim (1858–1919), German jurist and author Lassa (surname), a surname (including a list of people with the name) FC Barcelona Lassa, a former sponsorship name of a Spanish professional basketball club
See also Lasa (disambiguation) Lassas, a surname (including a list of people with the name) Lhasa (disambiguation)