ATNS
| Acronym | Definition |
|---|---|
| ATNS | Agreements, Treaties and Negotiated Settlements (Australia) |
| ATNS | Air Traffic Navigation Services (South Africa) |
| ATNS | Automated Telephone Notification System (various locations) |
| ATNS | Air Traffic and Navigation Services Company Limited (South Africa) |
| ATNS | Air Traffic Noise Screening (software; US FAA) |
| ATNS | Annual Training Needs Survey |
| ATNS | Attitude Toward Nutrition Scale (health education) |