Nag

Nag or NAG may refer to:

Computers

 * Nag, a multi user tasklist manager included in Horde (software)
 * Numerical Algorithms Group, a software company
 * NAG Numerical Library, numerical analysis software
 * Numeric Annotation Glyphs, in computerized chess

Music

 * "Nag", a song on Joan Jett's album I Love Rock 'n' Roll
 * Stage name of Jan-Erik Romøren of Norwegian band Tsjuder

Organizations

 * National Academy of Governance, the civil servant academy operated by the Chinese central government
 * Neighbourhood action group, community volunteer groups in the United Kingdom
 * Neue Automobil Gesellschaft, a defunct German automobile manufacturer
 * Nordic Aviation Group, an Estonian airline company

People

 * Martin Nag, Norwegian writer

Places

 * Nag, Iran, a village in Kerman Province
 * Nag Hammadi, in Upper Egypt
 * Nag River, in India
 * Nag Tibba, a mountain in Uttarakhand, India

Religion

 * Nag Dhunga, a sacred stone worshiped by the people of Nepal
 * Nag Hammadi library, a collection of Gnostic texts discovered in Egypt in 1945
 * Nag Hammadi Codex II, a collection of early Christian Gnostic texts
 * Nag Hammadi Codex XIII, a collection of early Christian Gnostic texts
 * Nag Panchami, Hindu snake worship
 * Nag Shankar, a temple in the Sonitpur district, India

Other

 * Nag, a cobra in Rudyard Kipling's Rikki-Tikki-Tavi
 * Nāg, refers to the Indian cobra
 * Nag (missile), a third generation "fire and forget" anti-tank missile
 * Nag Champa, an Indian fragrance
 * Nag Hammadi massacre, a massacre of Coptic Christians in Egypt in 2010
 * Nag Nag Nag, a former nightclub in London
 * Nag Nathaiya (festival), in Varanasi, India
 * Nag Vidarbha Andolan Samiti, a separatist political organization in Maharashtra, India
 * Dr. Babasaheb Ambedkar International Airport (IATA code), Nagpur, India
 * N-Acetylglucosamine, a biological molecule