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{{for|Wikipedia's project related to the Open Knowledge Association|WP:WikiProject Intertranswiki/OKA|selfref=y}}
{{Wiktionary|Oka|oka|o.k.a.|o/k/a|OKA|øka}}

'''Oka''' or '''OKA''' may refer to:
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* "Officially known as", used to introduce an [[official name]]

==Vehicles==
* [[Oka (automobile)]], a small car designed by AvtoVAZ and produced by ZMA and SeAZ
* [[OKA (truck)]], a large 4-wheel-drive vehicle made in Western Australia by the OKA Motor Company

==Military==
* [[2B1 Oka]], Soviet 420&nbsp;mm self-propelled mortar
* [[OTR-23 Oka]], a theatre ballistic missile deployed by the Soviet Union

==Places==
* [[Oka (Bithynia)]], a town of ancient Bithynia, now in Turkey
* [[Oka, Quebec]], Canada, a village
* [[Oka National Park]], near Oka, Quebec
* [[Oka, Akoko]], the capital city of Akoko South-West Local Government of Ondo State, Nigeria
* [[Oka (river)]], in the European part of Russia
* [[Oka (Angara)]], a river in Siberia, Russia
* [[Oka, West Virginia]], United States, an unincorporated community
* [[Oca (river)]], in northern Spain, spelled "Oka" in the Basque language
* Igbo spelling of [[Awka]], a city in Nigeria, capital of Anambra State

==Codes==
* [[Naha Airport]], near  Naha, Okinawa, IATA airport code OKA
* [[Okay Airways]], based in Beijing, China, ICAO airline code OKA
* [[Okanagan language]], ISO 639-3 language code oka, spoken in Canada and the United States

==Other uses==
* [[Oka (surname)]], a Japanese surname
* [[Oka cheese]], a Canadian cheese
* [[Oka (mass)]], an Ottoman unit of weight equal to 1.2829 kilograms
* [[16494 Oka]], an asteroid
* [[81-760/761]] "Oka", a model of subway car used on the Moscow Metro
* [[1987 Pacific hurricane season#Tropical Storm Oka|Tropical Storm Oka]], a Pacific storm in 1987
* [[OKA Direct]], a British retailer

==See also==
* [[Ōka (disambiguation)]]
* [[Ōoka (disambiguation)]]
* [[Oca (disambiguation)]]

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