| HSR | Halves Skill Recharge 
| Others |
| HSR | Hamilton Street Railway
| Others |
| HSR | Happy Safe Ready
| Others |
| HSR | Hardware Status Register
| Others |
| HSR | Hart Scott Rodino
| Others |
| HSR | Hart-Scott-Rodino
| Others |
| HSR | Head Step Rate
| Others |
| HSR | Health & Safety Risk
| Others |
| HSR | Health and Safety Representative
| Others |
| HSR | Health Sector Resiliency
| Others |
| HSR | Health Services Research
| Others |
| HSR | Health Star Rating
| Others |
| HSR | Health Statistics Region
| Others |
| HSR | Heard Seen Respected
| Others |
| HSR | Heavy Duty Steer Axle Regional
| Others |
| HSR | Hidden Surface Removal
| Others |
| HSR | Hierarchical Scene graph Renderer
| Others |
| HSR | High and Sunroof
| Others |
| HSR | High Skin Refiner
| Others |
| HSR | High Speed Rail
| Others |
| HSR | High Speed Railway
| Others |
| HSR | High Speed Recording
| Others |
| HSR | High Speed Research
| Others |
| HSR | High Speed Roadway
| Others |
| HSR | High Stage Regulator
| Others |
| HSR | High-Speed Reciprocating Compressor
| Others |
| HSR | Highly Sophisticated Transport Research
| Others |
| HSR | Hill Seminar Room
| Others |
| HSR | Hill Street Realty
| Others |
| HSR | His Stupid Railprogram
| Others |
| HSR | Historic Sportscar Racing
| Others |
| HSR | Holland Sleep Research
| Others |
| HSR | Holley Stealth Ram
| Others |
| HSR | Home Staging Resource
| Others |
| HSR | Home Staging Resources
| Others |
| HSR | Honour Service Results
| Others |
| HSR | Hospital of Saint Raphael
| Others |
| HSR | Hosur
| Others |
| HSR | Hosur Sarjapur Road
| Others |
| HSR | Hot Shot Rod
| Others |
| HSR | Hot Swap Raid
| Others |
| HSR | Hot Swap RAID (Redundant Array of Inexpensive Disks)
| Others |
| HSR | Human Science Research
| Others |
| HSR | Human Subject Research
| Others |
| HSR | Human Subjects Research
| Others |
| HSR | Human Support Robot
| Others |