| HR(S) | Hazard Ratio(S) 
| Others |
| hr(s) | hour(s)
| Others |
| HRS | Habitat Restoration Sciences
| Others |
| HRS | Hagelands Rallysport Team
| Others |
| HRS | Hair Replacement Systems
| Others |
| HRS | Hair Restoration Specialists
| Others |
| HRS | Hamburger Rail Service
| Others |
| HRS | Handgun Reflex Sight
| Others |
| HRS | Hankook Runflat System
| Others |
| HRS | Harmonic Resolution Systems
| Others |
| HRS | Harry R Schwartz
| Others |
| HRS | Hassle Roust Steal
| Others |
| HRS | Haw River Syndrome
| Others |
| HRS | Hawaii Revised Statutes
| Others |
| HRS | Hazard Ranking System
| Others |
| HRS | Hdb Record Status
| Others |
| HRS | Headrest
| Others |
| HRS | Health And Retirement Study
| Others |
| HRS | Health Recovery Services
| Others |
| HRS | Health Recovery Solutions
| Others |
| HRS | Health Rehabilitative Services
| Others |
| HRS | Health Resource Solutions
| Others |
| HRS | Heart Rhythm Society
| Others |
| HRS | Heat Recovery Solutions
| Others |
| HRS | Heat Rejection System
| Others |
| HRS | Heated Rear Seats
| Others |
| HRS | Heavy Rocket System
| Others |
| HRS | Heel Retention System
| Others |
| HRS | Hellenic Register of Shipping
| Others |
| HRS | Helmet Removal System
| Others |
| HRS | Helmholtz Resonator Speaker
| Others |
| HRS | Help Recover Storage
| Others |
| HRS | hepatorenal syndrome
| Others |
| HRS | Hermes Repository Services
| Others |
| HRS | High Reliability Schools
| Others |
| HRS | High Resolution Spectrograph
| Others |
| HRS | High Resolution Spectrometer
| Others |
| HRS | High Resolution System
| Others |
| HRS | High Risk Security
| Others |
| HRS | High Roof Sleeper
| Others |
| HRS | High- Resolution Scenarios
| Others |
| HRS | Higher Replica Sector
| Others |
| HRS | Highest Reasonable Score
| Others |
| HRS | Holidaysburg and Roaring Spring Railroad Company
| Others |
| HRS | Hollidaysburg and Roaring Spring Railroad
| Others |
| HRS | Holographic Readout System
| Others |
| HRS | Holy Redeemer School
| Others |
| HRS | Honda Research and Development Southeast Asia
| Others |
| HRS | Horizon Reference System
| Others |
| HRS | Horses Allowed
| Others |
| HRS | Hot Roddicus Supersonicus
| Others |
| HRS | Hot Rolled Steel
| Others |
| HRS | Hotel Reservation Service
| Others |
| HRS | Hotel Reservations Service
| Others |
| HRS | House Rabbit Society
| Others |
| HRS | Household Responsibility System
| Others |
| HRS | Human Recreational Services
| Others |
| HRS | Human Relations Service
| Others |
| HRS | Human Resource Services
| Others |
| HRS | Human Resource Specialist
| Others |
| HRS | Human Resource System
| Others |
| HRS | Human Resource Systems
| Others |
| HRS | Human Resources Services
| Others |
| HRS | Human Resources Solutions
| Others |
| HRS | Human Resources Specialist
| Others |
| HRS | Human Resources Specialists
| Others |
| HRS | Human Review System
| Others |
| HRS | Human Rights Service
| Others |
| HRS | Hydro Reacting Steering
| Others |
| HRS | Hydrogen Refueling Station
| Others |
| HRS | Hyundai Rally Series
| Others |
| HRS | Recruitment software
| Others |