Atthis

Atthis can be:


 * Atthis (mythology), in Greek myth, the daughter of Cranaus
 * Atthis (plural: Atthides), the traditional title for ancient historical works on Athenian history, written by an atthidographer
 * A woman mentioned in love poetry by Sappho
 * Atthis (genus) in the hummingbird family
 * Atthis (Obernewtyn character) in the Obernewtyn Chronicles, by Isobelle Carmody
 * 8975 Atthis, an asteroid