HRM

HRM may refer to:
 * Ḥ-R-M, a Semitic root
 * Croatian Navy (Croatian: Hrvatska ratna mornarica)
 * Halifax Regional Municipality, Nova Scotia, Canada
 * Harrietsham railway station, England, station code
 * Hassi R'Mel Airport, Algeria, IATA code
 * Heart Rhythm Meditation
 * Hermes Airlines, a Greek airline, ICAO code
 * High-reactivity metakaolin, used in cement
 * High Resolution Melt, in molecular biology
 * High resolution manometry, a medical diagnostic system
 * His or Her Royal Majesty
 * Horned Miao language, spoken in China, ISO 639-3 code
 * Horsham railway station, Victoria, Australia, station code
 * Human Race Machine, a computerized console
 * Human resource management