Naia or NAIA may refer to:
- National Animal Interest Alliance, an animal welfare organization in the United States
- National Association of Intercollegiate Athletics, an athletic association that organizes college and university-level athletic programs
- North American Institute of Aviation
- Ninoy Aquino International Airport, the main international airport serving Metro Manila, Philippines
- Naia (skeleton), a Paleoamerican skeleton
|This disambiguation page lists articles associated with the title NAIA.
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