Niki may refer to:
- 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 the Dove, a Swedish indietronica group
|This disambiguation page lists articles associated with the title Niki.
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