| Acronym | Definition |
|---|
| HdM➣Hochschule der Medien (Stuttgart Media University, Germany) |
| HdM➣Hoyo de Monterrey (cigars) |
| HdM➣High Density Memory (various companies) |
| HdM➣Hull Daily Mail |
| HdM➣Heidelberger Druckmaschinen |
| HdM➣Hearst Digital Media |
| HdM➣Help Desk Management |
| HdM➣Health Data Management |
| HdM➣High Speed Database Machine |
| HdM➣Hardware Displacement Mapping |
| HdM➣Half Duplex Mode |
| HdM➣House Dust Mite |
| HdM➣His Dark Materials (game; book by Philip Pullman) |
| HdM➣Honda de Mexico (car manufacturer) |
| HdM➣Highway Design Manual |
| HdM➣Hot Dark Matter |
| HdM➣Help Desk Manager |
| HdM➣Hardware Device Module |
| HdM➣Highway Development and Management |
| HdM➣Housing Development Management (Sweden) |
| HdM➣Highway Design and Maintenance |
| HdM➣High Definition Media (Blu-ray and HD-DVD) |
| HdM➣Hierarchical Development Methodology |
| HdM➣Harmonisation of Digital Markets (EU) |
| HdM➣Haus des Meeres (Vienna, Austria) |
| HdM➣Hypermedia Design Methodology |
| HdM➣Hidden Dynamic Model (acoustic-phonetic modeling) |
| HdM➣Honest Direct Message (social media) |
| HdM➣Hydrodemetallization |
| HdM➣Highway Design and Management |
| HdM➣Haagsche Delftsche Mixed (Nederland, Hockeyclub Den Haag) |
| HdM➣Happydeadmen (band) |
| HdM➣Handoff Direction Message |
| HdM➣Heavy Duty Macadam (civil engineering) |
| HdM➣Harvard Design and Mapping Company, Inc. |
| HdM➣Health Surveillance and Disease Management |
| HdM➣Hardware Driver Module |
| HdM➣Hypothetico-Deductive Method |
| HdM➣Head Decision Maker |
| HdM➣Haagsche Delftse Mixed (Dutch) |
| HdM➣Horizontal Drive Mechanism (automotive) |