SEMAC
| 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 |