| Acronym | Definition |
|---|
| STMS | Sonoran Trails Middle School (Arizona) |
| STMS | St. Thomas More School (various locations) |
| STMS | Scientific, Technical, Medical, and Scholarly (John Wiley & Sons, Inc.; publisher) |
| STMS | Saluda Trail Middle School (Rock Hill, SC) |
| STMS | Silver Trail Middle School (Pembroke Pines, FL) |
| STMS | Sci.Techniques.Mass.Spec (physics newsgroup) |
| STMS | Scanning Tunneling Microscopy Spectroscopy (physics) |
| STMS | Santa Teresa Middle School (Santa Teresa, NM) |
| STMS | Site Traffic Management Supervisor |
| STMS | Scottish Theatre and Music School |
| STMS | Severn Trent Metering Services (UK) |
| STMS | Sick to My Stomach |
| STMS | Society of Tennis Medicine and Science |
| STMS | Sap Transport Management System |
| STMS | Student Training Management System (Foreign Service Institute) |
| STMS | Sales Tax Management Service |
| STMS | Saint Timothy Middle School (West Hartford, CT) |
| STMS | Susquehanna Township Middle School (Harrisburg, PA) |
| STMS | Sun Trust Merchant Services (payment processing) |
| STMS | Stock Trading Monitoring System |