| Acronym | Definition |
|---|
| GSLC | Good Shepherd Lutheran Church |
| GSLC | Genetic Science Learning Center (University of Utah Eccles Institute of Human Genetics; School of Medicine and Utah Museum of Natural History) |
| GSLC | Great Salt Lake Council (scouting) |
| GSLC | Generalized Sidelobe Canceller |
| GSLC | Greater St. Louis Chapter (St. Louis, MO) |
| GSLC | Global Student Loan Corporation |
| GSLC | GIAC Security Leadership Certificate |
| GSLC | Global Sea Level Change |
| GSLC | Göteborg Spoken Language Corpus |
| GSLC | Good Shepherd Lutheran College |
| GSLC | Gertrude Simon Lutheran College |
| GSLC | Geisinger Student Leadership Center |
| GSLC | Graduate Student Leaders Conference |
| GSLC | Great Southern Lumber Company |