| Acronym | Definition |
|---|
| SMTT | Seamonkey Trunk Tracker |
| SMTT | Secretaria Municipal de Trânsito e Transporte (Brazil) |
| SMTT | Strategic Management Tools and Techniques |
| SMTT | Schule für Musik, Theater und Tanz (Germany) |
| SMTT | Somatic Movement Therapy Training |
| SMTT | SOMAction Movement Therapy Training |
| SMTT | Söderhamns Motorcycles Touring Team |
| SMTT | Standard Minimum Task Time |
| SMTT | Seeing-More-Than-is-There |
| SMTT | Student Marketing Task Team |
| SMTT | Simplified Municipal Telecommunications Tax |
| SMTT | School of Management and Training Technology (RAAF) |
| SMTT | Smokey Yunick's Track Tech (book) |
| SMTT | Senior Mentor Training Team |
| SMTT | Société des Mines de Tassa n’Taghaigué |
| SMTT | South Mountain Time Trial |
| SMTT | Spinal Manipulative Thrust Techniques |
| SMTT | Society for Motor Manufacturers and Traders |
| SMTT | Sud Médoc Tennis de Table (French table tennis club; Le Haillan, France) |
| SMTT | Safe Motherhood Training Team |
| SMTT | Supply Maintenance Team Training |
| SMTT | Spezieller Modus Tollendo Tollens |
| SMTT | Small Monitor Test Tool (input lag testing) |