| HLM | H L Mencken 
| Others |
| HLM | Habitation a Louer Moderate
| Others |
| HLM | Habitation a Loyer Modere
| Others |
| HLM | Handheld Laser Marker
| Others |
| HLM | Hannah Lynn and Matthew
| Others |
| HLM | He Loves Me
| Others |
| HLM | Headlamp Leveling Module
| Others |
| HLM | Health Literacy Media
| Others |
| HLM | Heart Lung Machine
| Others |
| HLM | Heavy Light and Moderate
| Others |
| HLM | Heavy Light Medium
| Others |
| HLM | Heavy Low Moderate
| Others |
| HLM | Hefter Leshem Margolis
| Others |
| HLM | Heterogeneous Lan Management
| Others |
| HLM | Hidden Line Manager
| Others |
| HLM | Hierarchical Linear Model
| Others |
| HLM | Hierarchical Linear Modeling
| Others |
| HLM | Hierarchical Linear Modelling
| Others |
| HLM | Hierarchical Linear Models
| Others |
| HLM | High Level Marketing
| Others |
| HLM | High Level Meeting
| Others |
| HLM | Higher Level Math
| Others |
| HLM | Hillslope Link Model
| Others |
| HLM | Hipath License Management
| Others |
| HLM | Hkey Local Machine
| Others |
| HLM | Holland, Michigan USA
| Others |
| HLM | Home Life Ministries
| Others |
| HLM | Honorary Lifetime Member
| Others |
| HLM | Horn Lake Middle
| Others |
| HLM | Human LifeCycle Management
| Others |
| HLM | Human Liver Microsome
| Others |
| HLM | Hybrid Linked Mode
| Others |