HRT

HRT is an abbreviation that can stand for:

Medical

• Habit reversal training
• Heart rate turbulence
• Hormone replacement therapy (menopause), for women
• Hormone replacement therapy (andropause), for men
• Hormone replacement therapy (male-to-female), for trans women
• Hormone replacement therapy (female-to-male), for trans men
• Heidelberg Retina Tomograph, a confocal laser scanning system for acquiring 3-D images of the posterior segment

Transport

• Hampton Roads Transit, the public transit provider in the Norfolk-Virginia Beach metro area
• Hartwell Railroad
• RAF Linton-on-Ouse, the IATA airport code
• Helsinki Regional Transport Authority (Swedish: Helsingfors Regionaltrafik, the public transit authority in Helsinki (Helsingfors), Finland

Taxation

• Higher Rate Taxpayer, in the UK, "higher" (currently 40%) and "additional" (currently 50%) bands of income taxpayers

Other

• HRT (film), a 2001 TV film
• Croatian Radiotelevision, a Croatian public broadcasting corporation
• High rising terminal, a feature of speech
• HRT F1 Team, a Formula 1 team competing in the 2011 season, previously known as Campos Meta and Hispania Racing F1 Team
• Holden Racing Team, an Australian V8 Supercar motor racing team
• Hostage Rescue Team (FBI), an American Counter-terrorism unit
• Humane Research Trust
• Hydraulic retention time, the average length of time that a soluble compound remains in a constructed reactor
• The local name of the Old Croatian Sighthound