Nai
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
All pages with titles beginning with Nai
All pages with titles containing Nai
Nay (disambiguation)
Ney (disambiguation)
Nal (disambiguation)