CTR

CTR may refer to:

Arts and entertainment

Contemporary Theatre Review, a British academic journal of performing arts
Crash Team Racing, Naughty Dog's 1999 video game for the Sony PlayStation
- Crash Team Racing Nitro-Fueled, its 2019 remake

Center for Transportation Research UT Austin, a research center at the University of Texas at Austin, US
Center for Turbulence Research, a research institute at Stanford University, US
Correct the Record, an American political action committee which supported Hillary Clinton's 2016 presidential campaign
Computing-Tabulating-Recording Company, a company that was renamed IBM in 1924

Aerolíneas Centauro (ICAO airline designator), an airline in Mexico
Controlled traffic region, a controlled airspace zone, typically around airports
Carlton Trail Railway, a Saskatchewan, US shortline railway
Chester railway station (station code), England

Counter mode (CTR mode), a cryptographic mode of operation for block ciphers
X-ray crystal truncation rod, a technique to measure properties of crystal surfaces
Current transfer ratio, in an opto-isolator device
Content Threat Removal, a cyber security technology that defeats content threats

Cardio-thoracic ratio, a measure of the size of heart
Carpal tunnel release, surgery for treating carpal tunnel syndrome
Clinical trials registry, an official catalog for studies about health interventions, such as drugs

Click-through rate, a measure of the success of an online advertising campaign
"Choose the right", a common Latter Day Saint saying, often found on a CTR ring
Close target reconnaissance, a military term for scouting in extremely close proximity to the target
Competitive trail riding, an equestrian sport
Cooperative Threat Reduction, an initiative to secure and dismantle weapons of mass destruction in former Soviet Union states
Currency transaction report, a report about transactions that the Bank Secrecy Act requires banks to file with the Internal Revenue Service