| Atossa | |
|---|---|
 Tomb of Darius the Great, where Atossa was also buried | |
| Queen mother of the Achaemenid Empire | |
| Tenure | 486–476 BC |
| Coronation | 486 BC |
| Successor | Amestris |
| Queen consort of the Achaemenid Empire | |
| Tenure | 520–486 BC |
| Coronation | 520 BC |
| Predecessor | Cassandane |
| Successor | Amestris |
| Born | c. 550 BC |
| Died | 475 BC |
| Burial | |
| Spouse | Darius the Great |
| Issue | Xerxes I Hystaspes Masistes Achaemenes |
| House | Achaemenid |
| Father | Cyrus the Great |
| Mother | Cassandane |
| Religion | Zoroastrianism |
Atossa (Old Persian: Utauθa, or Old Iranian: Hutauθa; 550–475 BC) was an Achaemenid empress. She was the daughter of Cyrus the Great, the sister of Cambyses II, the wife of Darius the Great, the mother of Xerxes the Great and the grandmother of Artaxerxes I.