| Acronym | Definition |
|---|
| SCIA | Scientific Applications (various locations) |
| SCIA | Spinal Cord Injury Association (various locations) |
| SCIA | Southern California Investment Association (San Clemente, CA) |
| SCIA | Smart Card Industry Association |
| SCIA | South Central Industrial Association |
| SCIA | Simultaneous Converging Instrument Approaches |
| SCIA | Semiconductor Industry Association |
| SCIA | St. Charles International Airport |
| SCIA | Society for Computers in Anesthesia |
| SCIA | Shanghai Concrete Industry Association (Shanghai, China) |
| SCIA | Scandinavian Conferences on Image Analysis |
| SCIA | Software Change Impact Analysis (business planning) |
| SCIA | Security Clearance Information Act of 1985 |
| SCIA | Student Committee for IMSA (Illinois Mathematics and Science Academy) Advancement |
| SCIA | Southern California Investment Banking Association |
| SCIA | Special Circumstance Instructional Assistant |