NI or Ni may refer to:
Onika Tanya Maraj (born December 8, 1982), known professionally as Nicki Minaj (English pronunciation: /nɪkɪ mɪˈnɑːdʒ/), is a Trinidadian-born American rapper, singer, songwriter and model.
Nicholas II (Russian: Николай II Алекса́ндрович, tr. Nikolai II Aleksandrovich; 18 May [O.S. 6 May] 1868 – 17 July 1918) was the last Emperor of Russia, ruling from 1 November 1894 until his forced abdication on 15 March 1917. His reign saw the fall of the Russian Empire from being one of the foremost great powers of the world to economic and military collapse.
Nike, Inc. (official, US /ˈnaɪki/; also, non-US /ˈnaɪk/) is an American multinational corporation that is engaged in the design, development, manufacturing, and worldwide marketing and sales of footwear, apparel, equipment, accessories, and services.
Nikola Tesla (Serbian Cyrillic: Никола Тесла; 10 July 1856 – 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.
Nikita Sergeyevich Khrushchev (15 April [O.S. 3 April] 1894 – 11 September 1971) was a politician who led the Soviet Union during part of the Cold War.
Nintendo Co., Ltd. is a Japanese multinational consumer electronics and video game company headquartered in Kyoto, Japan.