| Acronym | Definition |
|---|
| TMD | Temporomandibular Joint Dysfunction |
| TMD | Temporomandibular Disorder |
| TMD | Traction Maintenance Depot (railway; UK) |
| TMD | Theater Missile Defense |
| TMD | Transmembrane Domain |
| TMD | Transport de Matières Dangereuses (French: Transportation of Hazardous Materials) |
| TMD | Tuned Mass Damper |
| TMD | Tactical Munitions Dispenser (US DoD) |
| TMD | Truly, Madly, Deeply |
| TMD | Temperature Measuring Device (wireless hardware) |
| TMD | Trace Mineral Drops (health product) |
| TMD | Toshiba Matsushita Display Technology Co., Ltd. |
| TMD | Total Measured Depth (drilling) |
| TMD | Tip-Magnetic Driving (cooling fan technology) |
| TMD | Tactical Missile Defense |
| TMD | Trainable Mentally Disabled |
| TMD | True Measured Depth (drilling) |
| TMD | Theoretical Maximum Density |
| TMD | Tokyu Malls Development Corporation (Japan) |
| TMD | The Movie Depot |
| TMD | Texian Market Days (Texas; history) |
| TMD | Thyromental Distance |
| TMD | Thorn Microwave Devices Ltd. |
| TMD | Technical Management Division |
| TMD | Too Much Drama |
| TMD | Torrents.md (BitTorrent tracker Moldova; website) |
| TMD | Transportation Management Division |
| TMD | Total Meltdown |
| TMD | The Mana Drain (gaming site) |
| TMD | The Mason Dixons (band) |
| TMD | The Merciless Dead (Grimsby, England metal band) |
| TMD | Türk Matematik Dernegi (Turkish Mathematical Society) |
| TMD | Tescilli Markalar Dernegi (Turkish: Society for Registered Trade Marks) |
| TMD | Tagged Material Detector |
| TMD | Transient Mass Distribution |
| TMD | Tube Mounted Dispenser |
| TMD | Time Manipulation Device |
| TMD | Turret Motion Dynamics |
| TMD | Too Many Drinks |
| TMD | Torque Margin Discharge |