| Acronym | Definition |
|---|
| LSIM➣Launch Site Integration Manager (US NASA) |
| LSIM➣Laser Signal Injection Microscopy |
| LSIM➣Legacy System Import Module (DMP Payment Systems) |
| LSIM➣Library Science and Instructional Media (Morehead State University; Morehead, KY) |
| LSIM➣Latent Semantic Indexing Model |
| LSIM➣Bureau of Library Services and Instructional Materials (Virgin Islands) |