NA, N.A., Na, or n/a may refer to:
The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation.
Nazi Germany is the common English name for the period in German history from 1933 to 1945, when Germany was governed by a dictatorship under the control of Adolf Hitler and the Nazi Party (NSDAP).
Napoléon Bonaparte (/nəˈpoʊliən ˈboʊnəpɑːrt/; French: [napɔleɔ̃ bɔnapaʁt]; 15 August 1769 – 5 May 1821) was a French military and political leader who rose to prominence during the French Revolution and led several successful campaigns during the French Revolutionary Wars.
In the United States, Native Americans (also known as American Indians, Amerindians, Indigenous Americans or simply Indians; see §Terminology differences) are people descended from the Pre-Columbian indigenous population of the land within the country's modern boundaries.
Narendra Damodardas Modi (Gujarati: [ˈnəɾeːnd̪rə d̪aːmoːd̪əɾˈd̪aːs ˈmoːd̪iː], born 17 September 1950) is an Indian politician who is the 14th and current Prime Minister of India, in office since May 2014. He was the Chief Minister of Gujarat from 2001 to 2014, and is the Member of Parliament for Varanasi.
The National Aeronautics and Space Administration (NASA /ˈnæsə/) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program as well as aeronautics and aerospace research.
The North Atlantic Treaty Organization (NATO /ˈneɪtoʊ/; French: Organisation du Traité de l'Atlantique Nord; OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance based on the North Atlantic Treaty which was signed on 4 April 1949. The organization constitutes a system of collective defence whereby its member states agree to mutual defence in response to an attack by any external party.
National Socialism (German: Nationalsozialismus), more commonly known as Nazism (/ˈnɑːtsɪzəm, ˈnæ-/), is the ideology and practice associated with the 20th-century German Nazi Party and Nazi Germany, as well as other far-right groups.
Naruto (ナルト) is a Japanese manga series written and illustrated by Masashi Kishimoto. It tells the story of Naruto Uzumaki, an adolescent ninja who searches constantly for recognition and dreams of becoming the Hokage, the ninja in his village who is acknowledged as the leader and the strongest of all.