| Acronym | Definition |
|---|
| OKO➣Okemo (Amtrak station code; Okemo, VT) |
| OKO➣Orthopaedic Knowledge Online (American Academy of Orthopaedic Surgeons; online education) |
| OKO➣Osuuspankkien Keskuspankki Oyj (Finland bank) |
| OKO➣Oborova Kontaktni Organizace (Czech: Departmental Contact Organization) |
| OKO➣Overleg Kleine Onderwijsverstrekkers (Dutch: Small Talk Education Providers; education reform) |
| OKO➣Odsjek Krivicne Odbrane (Serbian: Department of Criminal Defense; Ministry of Justice; Bosnia and Herzegovina) |
| OKO➣Obalni Komorni Orkester (Slovenian: Coastal Chamber Orchestra; est. 1983) |
| OKO➣Operacij Kriznega Odzivanja (Slovenian: Crisis Response Operations) |