HRT most commonly refers to: Gender-affirming hormone therapy, also known as hormone replacement therapy Masculinizing hormone therapy Feminizing hormone therapy Hormone replacement therapy, a treatment used to reduce symptoms associated with menopause Hostage Rescue Team, the FBI's elite tactical unit
HRT may also refer to:
Health and medicine Habit reversal training Heart rate turbulence Humane Research Trust, a British medical research charity
Language Hértevin language, spoken in Turkey High rising terminal, a feature of speech
Motor racing HRT Formula 1 Team, Spain Haupt Racing Team, Germany Holden Racing Team, Australia
Transport Rail Hartwell Railroad, Georgia, United States (US) Heavy rail transit Hertfordshire Rail Tours, England Hiroshima Rapid Transit, Japan Honolulu Rail Transit, Hawaii, US (now Skyline)
Other transport Hampton Roads Transit, Norfolk-Virginia Beach area, US Helsinki Regional Transport Authority (Swedish: ) Hurlburt Field, a US Air Force field in Florida, US RAF Linton-on-Ouse, England (IATA:HRT)
Other uses Hard real-time, in computing Hertfordshire, county in England (by Chapman code) Hrvatska radiotelevizija, Croatia's national broadcaster Hudson River Trading, an American firm Hydraulic retention time, in fluid dynamics Horse Race Tests, viral Twitter videos