Arctus may refer to: Arctus (crustacean) Dana, 1852, a genus of crustaceans in the family Scyllaridae Arctus Haan in Siebold, 1849, a genus of crustaceans in the family Scyllaridae, synonym of Scyllarus Arctus (centaur), one of those arrayed against the Lapiths on the Shield of Heracles in Greek mythology. Arctus, one of the Horae Arctus (mythology), various mythological figures known as Arctus or its variations.
See also Arktos (disambiguation)