People
* Niki (given name) * NIKI (singer), Indonesian singer and songwriter * Niki DeMar, American singer * Niki Etsuko (1928–1986), Japanese author of mystery fictionPlaces
* Niki, Hokkaido, a town in Japan * Niki, Greece, a village in GreeceOther uses
* 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 * , a Greek cargo ship in service 1920-37 * Niki and Gabi, an American singing duo * Niki and the Dove, a Swedish indietronica group *See also
* Nike (disambiguation) *