Jocasta or Iocaste () is a character in Greek mythology.
It may also refer to: Iocaste (moon), a moon of Jupiter Jocasta (band), a 1990s Britpop band Jocasta (Rome character), a minor character in the TV series Rome Jocasta (Marvel Comics), a Marvel Comics character Jocaste (crustacean), a shrimp genus Jocasta Nu, a minor Star Wars character 899 Jokaste, a minor planet orbiting the Sun Jocasta Ayrs, a character from the novel Cloud Atlas Jocasta Cameron, a character from the novel series Outlander