OKU
| Acronym | Definition |
|---|---|
| OKU | Orang Kurang Upaya (Malaysian disabled person designation) |
| OKU | Omicron Kappa Upsilon (National Dental Honor Society) |
| OKU | Ogan Komering Ulu (Indonesian district) |
| OKU | Orthopaedic Knowledge Update (Orthopaedic Trauma Association book) |
| OKU | Osaka Kyoiku University (Osaka, Japan) |
| OKU | Okinawan Karatedo Union (martial arts; est. 1986; Cleveland, TN) |