Government agencies
* Norwegian Labour and Welfare Administration, Norwegian public welfare agency, the Norwegian abbreviation and common name is NAV.Medicine and biology
* Nav, voltage-gated sodium channels * nerve-artery-vein (anatomy), when all these follow a common pathway * Nomina Anatomica Veterinaria, veterinary textbookComputers
* Network allocation vector, a method to avoid collisions in a shared transmission medium * Norton AntiVirus, antivirus software developed by Symantec Corporation * Microsoft Dynamics NAV, an enterprise resource planning software product from MicrosoftFinance
* Net asset value, a fund's price per sharePlaces
* Nav, Afghanistan * Nav, Iran (disambiguation) * Nav (Slavic folklore), or ''Nawia'', an underworld in Slavonic mythologyPeople
* Nav (rapper) (stylized as NAV), a Canadian rapper, singer, and record producerTransportation
* Nevşehir Kapadokya Airport, Nevşehir, Turkey, IATA airport code * NavigationBusiness
* Net asset value, a term in financeOther uses
* Navajo language's ISO 639 code *