STHA
| Acronym | Definition |
|---|---|
| STHA | Shining the Holy Ark (video game) |
| STHA | South Texas Historical Association |
| STHA | Sindicato dos Técnicos de Handling de Aeroportos (Portugal) |
| STHA | Southern Tier Hockey Association (Binghamton, NY) |
| STHA | Single-Wound Toroidal Helix Antenna (also seen as SWTHA) |