Aelita (Cyrillic alphabet: Аэлита) is a female given name in eastern Europe. Aelita may refer to:

Aelita Software Corporation, an American company who manufacted computer and communication products.

Aelita (Code Lyoko), a character in the French animated television series Code Lyoko.

Aelita, a 1923 novel by Alexei Tolstoy.

Aelita: Queen of Mars, a silent movie directed by Soviet filmmaker Yakov Protazanov, based on Tolstoy's novel.

Elita-1, the love interest of Optimus Prime in the Transformers cartoon.

Aelita, album from the German jazz-electronica band Tied & Tickled Trio, released in 2007.