Amestris
| Amestris | |
|---|---|
| Queen consort of the Achaemenid Empire | |
| Died | 424 BC | 
| Spouse | Xerxes I | 
| Issue | Darius Hystaspes Artaxerxes I Rhodogune Amytis | 
| House | Achaemenid | 
| Father | Otanes | 
| Religion | Zoroastrianism | 
Amestris (Greek: Άμηστρις, Amēstris, perhaps the same as Άμαστρις, Amāstris, from Old Persian Amāstrī-, "strong woman") was an Achaemenid queen, wife of king Xerxes I and mother of king Artaxerxes I.
She was poorly regarded by ancient Greek historians.