Oklahoma (United States postal abbreviations)

OK is a form of the word okay, and it may also refer to: In abbreviations and acronyms:

OK Soda, a soft drink

Organized Konfusion, a hip hop group

Czech Airlines (IATA airline designator)

OK (dinghy), a racing dinghy

Circle K, an international chain of convenience stores, known as OK in Hong Kong and Taiwan

OK-Supreme, a British motorcycle manufacturer

OK!, a British celebrity magazine

OK Liga, a Spanish rink hockey league

OK Kosher Certification, a food-products certification agency

OK magazine, a Dutch pedophile publication by Vereniging MARTIJN

"OK" (song 2002), by Big Brovaz

Ok (album), by Talvin Singh

OK-score, a financial model

OK (Chang Chen-yue album)

Ok (glacier), a shield volcano in Iceland