SIWE
| Acronym | Definition |
|---|---|
| SIWE | Stichting Industrieel en Wetenschappelijk Erfgoed (Dutch: Industrial and Scientific Heritage Foundation; Belgium) |
| SIWE | Southern Indiana Wind Ensemble (est. 2007) |
| SIWE | Southwest Indiana Walk to Emmaus |
| SIWE | Sinusoidal Incident-Wave Extraction |