| Acronym | Definition |
|---|
| SEMA➣Specialty Equipment Market Association |
| SEMA➣State Emergency Management Agency |
| SEMA➣Specialty Equipment Manufacturers Association |
| SEMA➣Session Based Mobile Adhoc Network Architecture |
| SEMA➣Semaphorin |
| SEMA➣Société d'Encouragement aux Métiers d'Art (Society for the Promotion of Art Trades; France) |
| SEMA➣Special Electronic Mission Aircraft |
| SEMA➣Simple Electromagnetic Analysis (cryptography) |
| SEMA➣Storage Equipment Manufacturers Association |
| SEMA➣Software Engineering Measurement and Analysis (SEI) |
| SEMA➣Sharp Electronics Manufacturing Company of America, Inc. (San Diego, CA) |
| SEMA➣Station Engineering Management Aid |
| SEMA➣Southeastern Medieval Association |
| SEMA➣Senior Employment Medical Adviser (UK) |
| SEMA➣Session-based Mobile AdHoc Network Architecture (Yeditepe University) |
| SEMA➣Sociedad Erasmiana de Málaga (Spanish: Erasmus Society of Malaga; Malaga, Spain) |
| SEMA➣Synergie Entreprise Milieu d'Accueil (Belgium) |
| SEMA➣Situation-Execution Monitor Advisor |
| SEMA➣Systems Engineering & Management Associates, Incorporated |