| Acronym | Definition |
|---|
| STTI | Sigma Theta Tau International, Inc (Nursing honor society) |
| STTI | Stout Technology Transfer Institute (University of Wisconsin-Stout) |
| STTI | Sephardic Temple Tifereth Israel (Los Angeles, CA) |
| STTI | Software Technology Transfer Initiative (University of Kaiserslautern; Germany) |
| STTI | Submarine Tactics and Technology, Inc. (naval consultants) |
| STTI | Spatio-Temporal Target Identification |
