Inconnu can mean:

Inconnu, Stenodus nelma, a freshwater whitefish in the family Salmonidae

Arts Inconnu Independent Art Group, an art group Inconnu (World of Darkness), a fictional vampire sect L'Inconnue de la Seine, a death mask that was perceived as an icon of female beauty in the early 20th century Les Inconnus, three French humorists: Didier Bourdon, Bernard Campan and Pascal Légitimus Bel Inconnu, an Arthurian character

See also Inconnue River (disambiguation)