| Acronym | Definition |
|---|
| STER➣St. Thomas and Eastern Railway |
| STER➣Solar-Terrestrial Environment Research (Japan) |
| STER➣Stichting Ether Reclame |
| STER➣Southern Tier Enduro Riders (Elmira, NY) |
| STER➣Small Turbine Engine Research |
| STER➣Samen Technologie Ervaren (Dutch: Experienced Technology Together) |