Canis

Canis could refer to:
 * Locations:
 * Canis Minor constellation
 * Canis Minoris stars and systems
 * Canis Major constellation
 * Canis Majoris stars and systems
 * Starships and vehicles:
 * USS Canis Minor (NCC-615, Monoceros-class)
 * USS Canis Major (NCC-611, Monoceros-class)