Nai or NAI may refer to: Music Nai (album), an album by singer Anna Vissi Nai (pan flute), a wind instrument, also known as a pan flute (Romania and Moldova) "Nai" (song), a 2007 CD single by Irini Merkouri Organizations National Academy of Inventors, a US non-profit organization dedicated to encouraging inventors in academia. NASA Astrobiology Institute, an organization supporting research of life in the universe National Amusements, Inc, a privately owned media and entertainment company National Association for Interpretation, a professional organization of interpreters Natural Alternatives International, the company which manufactures the nutritional supplement Juice Plus Netherlands Architecture Institute, a Dutch architecture institute in Rotterdam Network Advertising Initiative, an industry trade group that develops self-regulatory standards for online advertising Network Associates, Inc., a corporation now known as McAfee, Inc. New Atlantic Initiative, a defunct arm of the American Enterprise Institute Norwegian Air International, an Irish airline Places Nairobi Nai, Rajasthan, a village in India Nai, Razavi Khorasan, a village in Razavi Khorasan Province, Iran County of Nairn, Scotland, Chapman code NAI Science and technology Network Access Identifier, an Internet standard defined in RFC 4282 Sodium iodide, a white, crystalline salt NaI Scintillator Other uses Nai (caste), in India Nai (noble title), a Thai noble title Nai language, a language of Papua New Guinea National Archives of India, the official archives of the government of India North Adria Aviation (ICAO code), a Croatian airline North Allegheny Intermediate High School, in McCandless, Pennsylvania See also Nay (disambiguation) Ney (disambiguation) Nal (disambiguation)