| Acronym | Definition |
|---|
| SEMAC➣Slice Encoding for Metal Artifact Correction (biotechnology) |
| SEMAC➣State Emergency Medical Advisory Committee (New York) |
| SEMAC➣Special Education Multicultural Advisory Committee |
| SEMAC➣Southeastern Minnesota Arts Council, Inc. |
| SEMAC➣Sociedad de Ergonomistas de México AC |