| Acronym | Definition |
|---|
| SMCH➣Supreme Master Ching Hai |
| SMCH➣Santa Margarita Catholic High (Rancho Santa Margarita, CA) |
| SMCH➣Standard Mixed Cargo Harness |
| SMCH➣Stewart Memorial Community Hospital (Lake City, IA) |
| SMCH➣Silchar Medical College and Hospital (India) |
| SMCH➣Salmon Melanin-Concentrating Hormone (endocrinology) |
| SMCH➣Spanning Multiaccess Channel Hypercube |