Adrastea, Adrasteia, Adrestea or Adrestia may refer to:
- Adrasteia, a figure in Greek mythology
- Adrasteia (goddess), a mountain goddess worshipped in Phrygia
- Adrastea (moon), the second of Jupiter's known moons
- Adrastea was an informal name borne by Jupiter XII (now Ananke) from 1955 to 1975
- Adrestia, an offspring of Ares and Aphrodite
- 239 Adrastea, an asteroid
- Adrasteia (Mysia), a region in northwest Asia Minor