| Acronym | Definition |
|---|
| SMCS➣St. Michael's Choir School (Toronto, Ontario, Canada) |
| SMCS➣Sky Mountain Charter School (Placerville, CA) |
| SMCS➣School of Mathematics and Computer Science (various schools) |
| SMCS➣St. Michael's Convent School (Pakistan) |
| SMCS➣Shades Mountain Christian School (Hoover, AL) |
| SMCS➣Science, Math, Computer Science |
| SMCS➣St. Michael's College School (Toronto, Canada) |
| SMCS➣State Mediation and Conciliation Service (California) |
| SMCS➣Six Mile Cypress Slough (Florida) |
| SMCS➣Sony Media Cloud Services (computing) |
| SMCS➣Structural Mode Control System |
| SMCS➣Standard Machinery Control System |
| SMCS➣Survivable Mission Control Station |
| SMCS➣Senior Chief Signalman (Naval Rating) |
| SMCS➣Satellite Mission Control Subsystem |
| SMCS➣Sales Marketing Communications System (GE) |
| SMCS➣Service Management Center Support (Sprint) |
| SMCS➣St. Mary's College, Shirva (India) |
| SMCS➣Serial Copy Management Services |
| SMCS➣Satellite Mobile Services Switching Center |
| SMCS➣Self-Managing Computer System |