| Acronym | Definition |
|---|
| CNST | Conseil National de Santé au Travail (French: National Council on Occupational Health) |
| CNST | Clinical Negligence Scheme for Trusts (UK) |
| CNST | Center for Nanoscale Science and Technology (National Institute of Standards and Technology) |
| CNST | Center for Naval Shipbuilding Technology (advanced manufacturing technologies; Charleston, SC) |
| CNST | Certified Network Systems Technician |
| CNST | Computer Networking and Security Technology (Texas State Technical College; Harlingen, TX) |
| CNST | Community Network Support Team (Canada) |