Arctus may refer to:
*
''Arctus'' (crustacean) Dana, 1852, a genus of crustaceans in the family
Scyllaridae
Slipper lobsters are a family (Scyllaridae) of about 90 species of achelate crustaceans, in the Decapoda clade Reptantia, found in all warm oceans and seas. They are not true lobsters, but are more closely related to spiny lobsters and furry lo ...
* ''Arctus''
Haan in Siebold, 1849, a genus of crustaceans in the family Scyllaridae, synonym of ''
Scyllarus''
* Arctus, variant name for the centaur
Arktos
* Arctus, one of the
Horae
{{Disambiguation, genus