Niki may refer to:

• Niki (given name)
• Niki DeMartino (born 1995), American singer and internet personality, one half of the duo Niki and Gabi
• Niki Etsuko (1928–1986), Japanese author of mystery fiction
• Niki Lauda (1949–2019), Austrian Formula One driver and aviation entrepreneur
• Niki Zefanya (born 1999), Indonesian singer and songwriter

• Niki, Hokkaido, a town in Japan
• Niki, Florina, a village in Greece

• Niki (airline), formerly a passenger airline based at Vienna Airport in Austria, which ceased trading in 2017
• Operation Niki, a Greek airlift operation during the Turkish invasion of Cyprus in 1974
• Niki Rotor Aviation, a Bulgarian aircraft manufacturer
• SS Niki, a Greek cargo ship in service 1920-37
• Niki and Gabi, an American singing duo
• Niki & The Dove, a Swedish indietronica group
• niki.ai, an Indian ecommerce platform
• Typhoon Niki (1996), a tropical cyclone in the Western Pacific Ocean
• Romanization of Νίκη, the Greek name of Victory, a Greek political party

• Nike (disambiguation)
• Nikki (disambiguation)
• Nicki (disambiguation)

This disambiguation page lists articles associated with the title Niki.
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