OKI
| Acronym | Definition |
|---|---|
| OKI | Okinawa |
| OKI | Ohio-Kentucky-Indiana (also KOI) |
| OKI | Open Knowledge Initiative (Massachusetts Institute of Technology) |
| OKI | Organisasi Konferensi Islam (Indonesian: Islamic Conference Organization) |
| OKI | Ogan Komering Ilir (Indonesian district) |
| OKI | Our Kids Initiative (swimming consortium) |