Kaia or KAIA may refer to:
Kaia, Greek feminine name meaning "pure",
Kaia, Hawaiian feminine name meaning "the sea",
Kaia Kanepi (born 1985), Estonian tennis player,
Kaia Wilson, American punk rock singer and guitarist,
KAIA (FM), radio station (91.5 FM) licensed to Blytheville, Arkansas, United States,
King Abdulaziz International Airport, Saudi Arabia's third largest airport,
Mircan Kaia, Turkish musician and engineer
