HRT

HRT is an abbreviation that can stand for:

Airports

• Hurlburt Field in Florida, United States
• RAF Linton-on-Ouse in England, United Kingdom

Broadcasting

• Croatian Radiotelevision, the Croatian public broadcasting corporation (Hrvatska radiotelevizija)

Medical

• Habit reversal training
• Heart rate turbulence
• Hormone replacement therapy

Motor racing

• Holden Racing Team, an Australian V8 Supercar motor racing team
• HRT Formula 1 Team, a now defunct Formula 1 team that competed in F1 from 2010 to 2012.

Public transport

• Hampton Roads Transit, the public transit provider in the Norfolk-Virginia Beach (United States) metro area
• Hartwell Railroad, Georgia, United States
• Helsinki Regional Transport Authority (Swedish: Helsingfors Regionaltrafik), the public transit authority in Helsinki, Finland
• Hiroshima Rapid Transit, a train company in Japan

Other uses

• Hard real-time, a hardware and/or software system where missing a deadline is a total system failure
• Hértevin language, ISO 639-3 language code hrt
• Higher Rate Taxpayer, in the United Kingdom
• High rising terminal, a feature of speech
• Hostage Rescue Team, an FBI counter-terrorism unit
• Hudson River Trading, a high-frequency trading firm based in New York City
• Humane Research Trust, a British medical research charity
• Hydraulic retention time, the average length of time that a soluble compound remains in a constructed reactor