Cat (disambiguation)
- .cat
- Air for Free
- CAT (phototypesetter)
- CAT Telecom
- CAT scan
- CAT(k) space
- Calibrated automated thrombogram
- Camarillo Area Transit
- Cambridge Antibody Technology
- Canadian Army Trophy
- Canby Area Transit
- Canon Cat
- Capital Area Transit (Harrisburg)
- Capital Area Transit (Raleigh)
- Cat (Red Dwarf)
- Cat (TV series)
- Cat (comics)
- Cat (nickname)
- Cat (zodiac)
- Cat 1 (album)
- Cat Ballou
- Cat Cays
- Cat Glover
- Cat Island (disambiguation)
- Cat MacKenzie
- Cat Power
- Cat Rambo
- Cat Stevens
- Cat Valentine (Victorious)
- Cat o' nine tails
- CatDog
- Catadioptric system
- Catalan language
- Catalase
- Catalyst
- Catalytic converter
- Catamaran
- Caterham railway station
- Caterpillar Inc.
- Cats (disambiguation)
- Center for Appropriate Transport
- Central Africa Time
- Central Atlas Tamazight
- Centre for Alternative Technology
- Certified Accounting Technician
- Cherenkov Array at Themis
- Chloramphenicol acetyltransferase
- Cities Area Transit
- City Airport Train
- Civil Air Transport
- Clear-air turbulence
- Clemson Area Transit
- Cognitive Abilities Test
- Cognitive analytic therapy
- Coital alignment technique
- Collier Area Transit
- Combat application tourniquet
- Committee Against Torture
- Common Admission Test
- Communication accommodation theory
- Community asset transfer
- Competition Appeal Tribunal
- Computer aided transceiver
- Computer-assisted translation
- Computerized adaptive testing
- Conidial anastomosis tubes
- Cosmic Anisotropy Telescope
- Crew Against Torture (Russia)
- Felidae
- Felinae
- Fung Chin Pang
- Kat (disambiguation)
- Kingdom of Cat
- List of Apple II clones
- List of defunct airlines of France
- List of individual cats
- Methcathinone
- Minecraft – Volume Alpha
- Novation CAT
- Pantherinae
- Peg + Cat
- Perth Central Area Transit
- Qat (disambiguation)
- Secret Service Counter Assault Team
- Talleres de Córdoba
- The Cat (disambiguation)
- The Fox and the Cat
- Çat
- Çat Dam