Americanus, a Latin adjective meaning American, may refer to:
Carl Linnaeus#Four races A pen name used by Benjamin Franklin A pseudonym used by John J. Beckley in newspapers "Junius Americanus", a pen name used by Arthur Lee (1740–1792), American diplomat and author Draco americanus, a legendary dragon species
See also Americana (disambiguation), a Latin adjective with the same meaning Americanum Americano (disambiguation) Americain (disambiguation) American (disambiguation)