NBIA may refer to:
Niels Bohr International Academy, a Center for Theoretical Physics at the Niels Bohr Institute, Copenhagen Neurodegeneration with brain iron accumulation, a group of degenerative diseases of the brain
(New) Bangkok International Airport (Suvarnabhumi Airport), an international airport serving Bangkok, Thailand National Biomedical Imaging Archive, a National Cancer Institute repository of medical images for researchers and imaging tool developers Normandy Beach Improvement Association North Bali International Airport