Jovian is the adjectival form of Jupiter and may refer to:
- Jovian (emperor), Roman emperor
- 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
