Nau, NAU or nau may refer to:
Organizations Nau (clothing retailer), an outdoor apparel company Nanjing Agricultural University, China National American University National Anti-crisis Management (from ), a shadow government created in Belarus in October 2020 National Aviation University, Ukraine North American Union North American University Northern Arizona University
People Claude Nau (died 1605), secretary of Mary, Queen of Scots François l'Olonnais (Jean-David Nau, c.1630–1669), French pirate active in the Caribbean during the 1660s Dana S. Nau (born 1951), computer scientist Sioeli Nau (1825–1895) also known as Joel Nau, Tongan Methodist minister François Nau (1864–1931), French Syriacist John L. Nau III, Texas businessman and historical preservationist
Places Nau, Tajikistan, a town in Sughd Province of Tajikistan Spitamen District in Sughd Province of Tajikistan, formerly known as Nau District Nau (Danube), a river of Baden-Württemberg and Bavaria, Germany, tributary of the Danube Qila Nau, a village in Faridkot district, Punjab, India
Music Nautilus Pompilius (band), sometimes abbreviated to Nau Nau, a Brazilian band fronted by Vange Leonel, active from 1985 to 1989 Nau (album), 1987 album by the aforementioned band
Other uses Lepidium oleraceum, a plant endemic to New Zealand Carrack (), a three- or four-masted sailing ship Nauru, license plate and UNDP country code Nauruan language ISO 639 code Napuka Airport (IATA code NAU) on the island nation of Napuka Bharatiya Nau Sena, the native name of the Indian Navy Bangladesh Nou-Bahini, the native name of the Bangladeshi Navy