| Acronym | Definition |
|---|
| TMR | Timer |
| TMR | Tomorrow |
| TMR | Transmyocardial Revascularization |
| TMR | Training and Mobility of Researchers |
| TMR | The Medieval Review |
| TMR | Total Mixed Ration |
| TMR | Triple Modular Redundancy |
| TMR | TM Revolution (musician) |
| TMR | Tunnel Magnetoresistance |
| TMR | Targeted Muscle Reinnervation |
| TMR | Trainable Mentally Retarded |
| TMR | Town of Mount Royal (Montréal) |
| TMR | TOPEX Microwave Radiometer |
| TMR | Tetramethyl-Rhodamine |
| TMR | Trout Mask Replica |
| TMR | Tivoli Management Region |
| TMR | Takanori Makes Revolution (Japanese singer and actor) |
| TMR | The Matrix Reloaded (movie) |
| TMR | Tactical Mobile Robot |
| TMR | Time to Maximum Rate |
| TMR | Tissue Maximum Ratio |
| TMR | Talented Mr Ripley (movie) |
| TMR | Tom Marvolo Riddle (Lord Voldermort from Harry Potter) |
| TMR | Total Materiel Requirement |
| TMR | Totally Meaningless Relationship |
| TMR | Tunnel Magnetic Resistance |
| TMR | The Medical Reporter |
| TMR | Transportation Movement Request (US DoD) |
| TMR | Traditional Matrix Representation |
| TMR | Transportation Movement Release |
| TMR | trackline multiunit return (US DoD) |
| TMR | The Message Remix |
| TMR | Teledyne Materials Research |
| TMR | Tal'mahe'ra (EverQuest guild) |
| TMR | The Midnight Raid |
| TMR | Technical Market Research |
| TMR | Transportation Movements Release |
| TMR | Travel and Miscellaneous Reimbursement |
| TMR | Training Management Representative |
| TMR | Training Management Review |
| TMR | Training Materials Record |
| TMR | Technology Management Review |
| TMR | Technical Managers Representative |
| TMR | Technical Modification Request |
| TMR | Tokin' Marijuana Religiously (tag crew) |
| TMR | Technology Management Resources, Inc (Commercial Banking Solutions Provider) |