| HRB | H and R Block 
| Others |
| HRB | H R Block
| Others |
| HRB | Hadeland and Ringerike Broadband
| Others |
| HRB | Harbin, Manchuria, Mainland China
| Others |
| HRB | Hawk Rule Base
| Others |
| HRB | Health Research Board
| Others |
| HRB | health-related behavior(s)
| Others |
| HRB | Health-Related Behaviors
| Others |
| HRB | Heavy Rail Beam
| Others |
| HRB | Heihe River Basin
| Others |
| HRB | Henry Rifle Barrel
| Others |
| HRB | Henry Russell Bruce
| Others |
| HRB | Heritage Reserve Bin
| Others |
| HRB | High-Risk Behavior
| Others |
| HRB | High-Risk Billet
| Others |
| HRB | Highway Research Board
| Others |
| HRB | His Royal Bandness
| Others |
| HRB | Historic Resources Board
| Others |
| HRB | Historic Review Board
| Others |
| HRB | Historical Resources Board
| Others |
| HRB | Homeowner Representative Board
| Others |
| HRB | Honda Research and Development Brazil
| Others |
| HRB | Horwitz Reps and Binkley
| Others |
| HRB | Horwitz, Reps, and Binkley algorithm
| Others |
| HRB | Hot Rod Blues
| Others |
| HRB | Hot Rolled Band
| Others |
| HRB | Hotel Restaurants and Bars
| Others |
| HRB | Housing Resources Bainbridge
| Others |
| HRB | Houston Repertoire Ballet
| Others |
| HRB | Hudson River Biotechnology
| Others |
| HRB | Human Resources Board
| Others |
| HRB | Human Resources Branch
| Others |
| HRB | Hydraulic Rear Wheel Boost
| Others |
| HRB | Hydraulic Regenerative Brake
| Others |