Kaia or KAIA may refer to:

• Kaia (name), including a list of people with the name

• KaiA, a gene

• KAIA (group), a Filipino girl group

• KBAI (FM), radio station (91.5 FM) licensed to Blytheville, Arkansas, United States, formerly KAIA

• KAIA-FM, radio station (95.9 FM licensed to La Miranda, California) formerly KFSH-FM

• King Abdulaziz International Airport, Saudi Arabia's third largest airport

• The ICAO code for Alliance Municipal Airport in Nebraska, United States

• Kabul International Airport

See also

• Caia (disambiguation)

• Kaja (disambiguation)

• Kaya (disambiguation)