OCNS
| 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) |