Amestris (, AmÃÂstris, perhaps the same as ÃÂüñÃÂÃÂÃÂùÃÂ, AmÃÂstris, from Old Persian AmÃÂstrë-, "strong woman"); 4th-century BC) was an Achaemenid queen, consort of the Persian king Artaxerxes II.
She was the daughter of Artaxerxes II. Her father bethrothed her to Tiribazus. However, he broke the engagement and married his daughter himself.