| Acronym | Definition |
|---|
| NCTC | National Counterterrorism Center (9/11 Commission Report) |
| NCTC | North Central Texas College (Gainesville, TX) |
| NCTC | National Conservation Training Center |
| NCTC | National Cable Television Cooperative |
| NCTC | National Collection of Type Cultures (UK laboratory) |
| NCTC | New Century Theatre Company (Seattle, WA) |
| NCTC | Northeast Counterdrug Training Center |
| NCTC | Naval Construction Training Center (US Navy; Gulfport, MS) |
| NCTC | Northland Community & Technical College (East Grand Forks & Thief River Falls, MN) |
| NCTC | New Century Technology Council |
| NCTC | Norwalk Community Technical College |
| NCTC | New Covenant Trust Company |
| NCTC | Naval Communications Training Center (US DoD) |
| NCTC | Naval Computer & Telecommunications Command (US Navy) |
| NCTC | National Cadet Training Center (US Army Cadet Corps) |
| NCTC | Non-Cooperative Target Classification |