| Acronym | Definition |
|---|
| OCNS➣Orthogonal Channel Noise Simulator (aka Orthogonal Channel Noise Simulation) |
| OCNS➣Office for Civil Nuclear Security (UK) |
| OCNS➣Offshore Chemical Notification Scheme (UK) |
| OCNS➣Orthogonal Channel Noise Source |
| OCNS➣ODOCS Common Naming Service |
| OCNS➣Offsetters Climate Neutral Society (Canada) |