Maia can mean several things:

• Maia, in Greek mythology, is the eldest of the Pleiades, the seven daughters of Atlas and Pleione.
• Maia was identified in Roman mythology with Maia Maiestas (also called Fauna, Bona Dea (the 'Good Goddess') and Ops), a goddess who may be equivalent to an old Italic goddess of spring.
• In astronomy, Maia (20 Tauri) is the third brightest of the seven bright stars in the Pleiades open star cluster.
• Maia is a city in Oporto metropolitan area in Portugal.
• Maia is a suburb of the city of Dunedin, New Zealand.
• In J. R. R. Tolkien's mythos, a Maia is one from the lesser kind of Ainur, beings of power which pre-date the creation of existence.
• Maia is a fantasy novel by Richard Adams.

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