| Acronym | Definition |
|---|
| CTN➣Carton |
| CTN➣Clinical Trials Network (NIDA) |
| CTN➣Compagnie Tunisienne de Navigation (French: Tunisian Navigation Company; Tunisia) |
| CTN➣Coefficient de Température Négatif (French: Negative Temperature Coefficient) |
| CTN➣Cartoon Network |
| CTN➣Comité Technique National (French: National Technical Committee) |
| CTN➣Corporate Telecommunication Network |
| CTN➣Certification Test Network |
| CTN➣Código Tributário Nacional (Brazilian National Tax Code) |
| CTN➣Cargo Tracking Note (shipping) |
| CTN➣Christian Television Network |
| CTN➣Central Test Node |
| CTN➣Community Television Network |
| CTN➣Commission Technique Nationale (French: National Technical Commission) |
| CTN➣Canadian Technology Network |
| CTN➣Consumers' Telecommunications Network (Australia) |
| CTN➣Croatia Airlines (ICAO code) |
| CTN➣Con Tinta Negra (Spanish: With Black Ink; Chile) |
| CTN➣Cambodian Television Network |
| CTN➣Centre des Technologies Nouvelles (French: New Technologies Center) |
| CTN➣Cable Television Network |
| CTN➣Computer Technology News (publication) |
| CTN➣Can't Talk Now |
| CTN➣Créations et Techniques Nouvelles (French: Creations and New Techniques) |
| CTN➣Certified Traditional Naturopath |
| CTN➣Counter-Terrorism Network (various organizations) |
| CTN➣Canadian Television Network (before 1962) |
| CTN➣Central de Trabajadores de Nicaragua (Spanish: Nicaraguan Workers' Central) |
| CTN➣Countercurrent Tank (separators) |
| CTN➣Commercial Technology Network (NASA) |
| CTN➣Cryptologic Technician Networks (Navy rating) |
| CTN➣CALS Test Network |
| CTN➣Christian Therapists Network |
| CTN➣Charity Trustees Network |
| CTN➣Call to Needle Time (healthcare performance indicator; UK) |
| CTN➣Campus Television Network (University College Dublin student run TV channel) |
| CTN➣Coordinated Timing Network (IBM) |
| CTN➣Customer Telephone Number |
| CTN➣Cellular Telephone Network |
| CTN➣Certification Test Network (NASA) |
| CTN➣Corporate Telecommunications Network |
| CTN➣Co-Tangent |
| CTN➣Compensated Twisted-Nematic |
| CTN➣Case/Throat/Nozzle (rocket motor component) |
| CTN➣Consumer Trend News (online magazine) |
| CTN➣Critical Technologies Newsletter |
| CTN➣Contactless Technology Network |
| CTN➣Composite Tactical Network |
| CTN➣Certified Transplant Nurse |
| CTN➣Count-Transmission Number |
| CTN➣Computerized Telephony Network |
| CTN➣Commercial Type Number |
| CTN➣Customer Transaction Note |
| CTN➣China Teanet |
| CTN➣Core Transmission Network |
| CTN➣Continuous Tone Negative(s) |
| CTN➣Confectionary, Tobacco and News (retail) |
| CTN➣Comparable to None Entertainment (record label) |