NCTC can refer to:
- National Content & Technology Cooperative
- National Collection of Type Cultures
- National Counter Terrorism Centre, India
- National Counterterrorism Center, United States
- National Conservation Training Center
- Naval Construction Training Center in Gulfport, Mississippi
- New Conservatory Theatre Center in San Francisco, California
- NewVa Corridor Technology Council in Southwestern Virginia
- North County Transit District's COASTER, reporting mark NCTC
- North Central Texas College
- Northeast Counterdrug Training Center in Pennsylvania
- Northland Community & Technical College