| Term | Full Form | Category |
|---|---|---|
| SMHI | Saskatchewan Municipal Hail Insurance | Others |
| SMHI | School Mental Health Initiative | Others |
| SMHI | SEACOR Marine Holdings Inc | Others |
| SMHI | Society Managed Health Insurance | Others |
| SMHI | Student Mental Health Initiative | Others |
| SMHI | Sveriges Meteorologiska och Hydrologiska Institut | Others |
| SMHI | Swedish Meteorological and Hydrological Institute | Others |