Jovian

Jovian is the adjectival form of Jupiter and may refer to:
 * Jovian (emperor) (Flavius Iovianus Augustus), Roman emperor (363–364 AD)
 * Jovians and Herculians, Roman imperial guard corps
 * Jovian (lemur), a Coquerel's sifaka known for Zoboomafoo
 * Jovian (fiction), a hypothetical or fictional native inhabitant of the planet Jupiter
 * Jovian planet or giant planet, any large gaseous planet
 * Jovians, a non-playable race in Eve Online