CNT
- C*nt
- CNT EP
- Canadian National Railway
- Cantiere Navale Triestino
- Carbon nanotube
- Center for Neighborhood Technology
- Central Nacional de Televisão
- Classical nucleation theory
- Columbia Non-neutral Torus
- Commission for New Towns
- Confederación Nacional del Trabajo
- Confédération nationale du travail
- Grand Theft Auto
- National Workers' Central (Paraguay)
- Nigerien Confederation of Labour
- PIT-CNT
- Plenario Intersindical de Trabajadores - Convención Nacional de Trabajadores
- Ultra Network Technologies