Artemisia \a-rtemi-sia, ar-te-misia\ as a girl's name is of Greek and Spanish origin, and the meaning of Artemisia is "perfect". Also variant of Artemis and a version of Artemas, a man's name from the Bible. Also the name of a shrub common in America. Made famous also by Artemisia Gentileschi, a 17th-century Italian painter.
Artemisia has 1 variant form: Artemesia.
For more information, see also the related name Otamisia.