| Acronym | Definition |
|---|
| CTT➣Cable Television Toyama (Toyama, Japan) |
| CTT➣Correios (Portuguese Postal Service) |
| CTT➣Classic Toy Trains (magazine) |
| CTT➣Contrat de Travail Temporaire (French: Temporary Work Contract) |
| CTT➣Charity Technology Trust |
| CTT➣Certified Technical Trainer |
| CTT➣Character to Text |
| CTT➣Click to Type |
| CTT➣Center Tapped Terminated |
| CTT➣Contact List |
| CTT➣Copy to Texture |
| CTT➣Compatibility Test Tools |
| CTT➣Connection Traffic Table |
| CTT➣China Taiwan Time |
| CTT➣Computational Technology Toolkit |
| CTT➣Currency Transaction Tax (various locations) |
| CTT➣Career Technical Training (various organizations) |
| CTT➣Columbia Tristar Television (studio) |
| CTT➣Club Tennis de Table (French: Table Tennis Club) |
| CTT➣Can't Touch This (gaming clan) |
| CTT➣Cholesterol Treatment Trialists' (collaboration) |
| CTT➣Centre for Technology Transfer (various agencies) |
| CTT➣Cape Town Tourism (South Africa) |
| CTT➣Conversion to Type (training; UK) |
| CTT➣Chicago Tap Theatre (dance company) |
| CTT➣Club Time Trial (stock car racing) |
| CTT➣Cairns Tilt Train (Australia) |
| CTT➣Connect the Thoughts (curricula) |
| CTT➣Critical Thinking Test |
| CTT➣Cotton-Top Tamarin (monkey) |
| CTT➣Centre for Traffic and Transport (Denmark) |
| CTT➣Common Task Training |
| CTT➣Champagne Tennis de Table (French: Champagne Table Tennis; Champagne, France) |
| CTT➣Commodity Transaction Tax |
| CTT➣Cryptologic Technician (Technical) (USN Rating) |
| CTT➣Cycles Tondeuses Tronçonneuses (French: Cycles Mowers Chainsaws) |
| CTT➣Centre des Tubercules Tropicaux (French: Tropical Root Center) |
| CTT➣Common Task Test (US Army) |
| CTT➣Collaborative Team Teaching |
| CTT➣Cartridge Tape Transport |
| CTT➣Commander's Tactical Terminal |
| CTT➣Cranial Tibial Thrust (veterinary medicine) |
| CTT➣Correios, Telégrafos e Telefones (Posts, Telegraphs, and Telephones; Portuguese mail service) |
| CTT➣Core Technical Team (various locations) |
| CTT➣Character Translation Table |
| CTT➣Continuous Treatment Team |
| CTT➣Center-Tap Terminated (logic) |
| CTT➣Color Trails Test (neuropsychology) |
| CTT➣Centre Traditionnel de Taekwondo et Sonmudo (French: Traditional Taekwondo and Sunmudo Center) |
| CTT➣Closed, Transferring, and Transferred (ranges) |
| CTT➣Computer Telephone Technology (Covington, LA) |
| CTT➣Chrétiens Tous Terrains (French: Christians of All Terrains; Switzerland) |
| CTT➣Compatibility Test Trailer |
| CTT➣Consorzio Toscano Trasporti (Tuscany Transport Consortium, Italy) |
| CTT➣Combined Test Team |
| CTT➣Comp Time Taken (employee time reporting) |
| CTT➣Connection Traffic Table (Cisco) |
| CTT➣Connecticut Transit |
| CTT➣Capability to Transmit |
| CTT➣Counter Timer Trigger |
| CTT➣Compression Translation Table |
| CTT➣Collaborative Tools Testbed |
| CTT➣Common Test Training |
| CTT➣Concur Tasktrees (notation) |
| CTT➣Chronic Toxicity Test |
| CTT➣Common Training Task |
| CTT➣Counter Terror Teams |
| CTT➣Combat Training Tank |
| CTT➣Council for Travel and Tourism (UK) |
| CTT➣Crew Transfer Tunnel |
| CTT➣Cellular Transport Technology |
| CTT➣Committee on Technology Transfer (various organizations) |
| CTT➣Canadian Transportation Tribunal |
| CTT➣Correios, Telefones e Telégrafos (Portugese: Post offices, Telegraphs and Telephones) |
| CTT➣Cross Tabulated Table(s) |
| CTT➣Cyber-Toothed Tigers (FFFBI) |
| CTT➣Customer Trouble Ticket |
| CTT➣Converged Technology Training (Cisco) |
| CTT➣Cascaded Triplet Topology |
| CTT➣Combat Theater Trainer |
| CTT➣Computerized Transmission Tomography (clinical scanning method) |
| CTT➣Contractor Technical Test |
| CTT➣Crosby Township Trustees |
| CTT➣Communications Tactical Terminal |
| CTT➣Currency Transaction Trust |
| CTT➣Console Tape Transport |
| CTT➣Corporate Transformation Team (NAVSEA) |
| CTT➣CompTIA (Computing Technology Industry Association) Certified Trainer (information technology certification) |
| CTT➣Chest Thoracostomy Tube |
| CTT➣Cyrillic True Type (font) |