| Acronym | Definition |
|---|
| ATCN➣Advanced Trauma Care for Nurses (course) |
| ATCN➣Airedale Terrier Club Nederland (Dutch: Netherlands Airedale Terrier Club) |
| ATCN➣Association of Tankcleaning Companies in the Netherlands |
| ATCN➣Adaptive Temporal Correlation Network (pattern recognition) |
| ATCN➣Alberta Technology Commercialization Network (Canada) |
| ATCN➣Arkansas Tobacco Cessation Network |