| Acronym | Definition |
|---|
| TMSA | Tanker Management and Self Assessment |
| TMSA | Texas Middle School Association |
| TMSA | Traditional Music & Song Association of Scotland |
| TMSA | Tangier-Mediterranean Special Agency |
| TMSA | Texas Mini Storage Association |
| TMSA | Tobacco Master Settlement Agreement |
| TMSA | Theatre Managements of South Africa |
| TMSA | Transformational Model of Social Activity |
| TMSA | Thompson Mountain Sportsmen Association |
| TMSA | Total Molecular Surface Area |
| TMSA | Truckee Meadows Service Area |
| TMSA | Trent Muslim Students Association |
| TMSA | Tauranga Marine Services Association (New Zealand) |
| TMSA | Thibault, Messier, Savard et Associés |
| TMSA | Transit Managers and Supervisors Association |
| TMSA | Tri-state Maritime Safety Association |
| TMSA | The Management Software Association |
| TMSA | Tulsa Metropolitan Statistical Area (Oklahoma) |
| TMSA | Turken, Marokkanen, Surinamers en Antilianen (Turks, Moroccans, Surinamese and Antilleans) |
| TMSA | Technical Marketing Society of America |
| TMSA | The Montessori School of the Angels |
| TMSA | Thunder Mountain Soccer Association (Grand Junction, CO, USA) |
| TMSA | Seaman Apprentice, Torpedoman Striker (naval rating) |
| TMSA | Tuen Mun Swimming Association (Hong Kong) |
| TMSA | Taiwan Man-Made Fiber Spinners' Association |
| TMSA | Tetramethylsuccinamide |
| TMSA | Transportes Menorca SA |
| TMSA | Tropomyosin, Skeletal Muscle Alpha |
| TMSA | Tahlequah Main Street Association |
| TMSA | Thornhill Minor Softball Association (Canada) |
| TMSA | Tech Medical Student Association (Texas Tech University) |
| TMSA | Texas Member Services Association |
| TMSA | Theory of Multiple Separate Ancestries |
| TMSA | Technion Medical Student Association |
| TMSA | Toyota Motor Sales Australia |
| TMSA | Time Management Situation Assessment |
| TMSA | Torbay Minor Soccer Association |
| TMSA | Taiwanese and Mandarin Students’ Association |
| TMSA | Trimethylsylil-Acetylene |
| TMSA | Transportation Modeling for Street Analysis |
| TMSA | Trimethylsilylazide |
| TMSA | Triangular Microstrip Antenna |
| TMSA | Tapered Meander Slot Antenna |
| TMSA | Tennessee Main Street Association |
| TMSA | Tamil Nadu Motorcycle Sports Association |
| TMSA | Technical and Management Staffing Associates, LLC |