| HLR | Half Life Rally
| Others |
| HLR | Halperin Lee and Read
| Others |
| HLR | Hampton Lenzini and Renwick
| Others |
| HLR | Hannah Lillian and Raven
| Others |
| HLR | Harvard Law Review
| Others |
| HLR | Health Law Resource
| Others |
| HLR | Heart and Lung Research
| Others |
| HLR | Heart Lung Resuscitation
| Others |
| HLR | Hensley Lamkin Rachel
| Others |
| HLR | Hidden Line Removal
| Others |
| HLR | High Level Requirement
| Others |
| HLR | High Level Review
| Others |
| HLR | High Lift Rotor
| Others |
| HLR | High Low Ratio
| Others |
| HLR | Higher Level Review
| Others |
| HLR | Higher Level Reviewer
| Others |
| HLR | Highway Location Reference
| Others |
| HLR | Historic Lotus Register
| Others |
| HLR | Home Location Record
| Others |
| HLR | Home Location Register
| Others |
| HLR | Honorary Local Representative
| Others |
| HLR | Hustle Loyalty Respect
| Others |
| HLR | Hydraulic Loading Rate
| Others |