PARSEC
| Acronym | Definition |
|---|---|
| PARSEC | Parallax Second (unit of astronomical distance; 3.258 light-years) |
| PARSEC | Parallel Simulation Environment for Complex Systems |
| PARSEC | Preliminary Analysis of Revolutionary Space Exploration Concepts (US NASA) |
| PARSEC | Pittsburgh Area Realtime Scientifiction Enthusiasts Club (Pittsburgh, PA) |
| PARSEC | Pathology Accessioning and Retrieval System with Encoding by Computer (computer application) |