| Acronym | Definition |
|---|
| SIH➣Southern Illinois Healthcare |
| SIH➣Syndicat Interhospitalier (French: union of hospitals) |
| SIH➣Système d'Information Hospitalier |
| SIH➣Settled in Heaven Ministries (ministry) |
| SIH➣Salicylaldehyde Isonicotinoyl Hydrazone |
| SIH➣Satellite Instrument House (data transfer structure) |
| SIH➣Scottish Ice Hockey (UK) |
| SIH➣Seafarers and International House (New York, NY) |
| SIH➣Socially Induced Hyperactivity |