Atossa (disambiguation)

Atossa (550 BC–475 BC) was an Achaemenid empress and daughter of Cyrus the Great and Cassandane.

Atossa or Atoosa may also refer to:
 * Atossa: daughter and wife of Artaxerxes II

Objects

 * 810 Atossa, an asteroid belonging to the Flora family in the Main Belt

Medicines

 * Ondansetron, a medicine used against nausea and vomiting

People

 * Atossa Leoni (born 1978) German-born film, television, and theater actress
 * Atossa Araxia Abrahamian, Swiss-American journalist
 * Atoosa Reaser, American politician

Taxonomy

 * Atossa, a synonym of the genus Vicia, of the legume family (Fabaceae)
 * Atossa, a synonym of the genus Nossa, of the oriental swallowtail moth family (Epicopeiidae)
 * Atossa, a synonym of the genus Grammoechus, longhorn beetles of the subfamily Lamiinae