- In Greek mythology, Phoebe referred to several people.
- A giantess; one of the original Titans, the giant sons and daughters of Uranus and Gaia. Traditionally associated with the moon, she was also the grandmother of Apollo and Artemis. By Coeus she mothered Leto and Asteria. She received control of the Oracle at Delphi from Thetis, according to a minority of sources.
- One of the Heliades
- Another was the daughter of Leucippus, beloved by Castor and Polydeuces and Idas and Lynceus.
- Another name for Artemis
- Helen's sister, daughter of Leda
- Phoebe is also the name of a small outer moon of Saturn, and Acorn, Ltd's never-released Phoebe RISC PC
- Phoebe is also a genus of flowering plants in the Lauraceae family.
- Phoebe is also the common name for birds of genus Sayornis in the tyrant flycatcher family.