OKL
| Acronym | Definition |
|---|---|
| OKL | Oakville (Amtrak station code; Oakville, Canada) |
| OKL | Otto Kuhlmann Langelsheim (automotive parts; Germany) |
| OKL | Oberkommando der Luftwaffe (High Command of the German Air Force, WWII) |
| OKL | Open Kernel Labs (Australian software company) |
| OKL | Otava-Kuvalehdet Oy (Finnish Publishing Company; Helsinki, Finland) |