| Acronym | Definition |
|---|
| LCGS➣Launceston Church Grammar School (Australia) |
| LCGS➣Low Cost Ground Surveillance (US FAA) |
| LCGS➣Lanark County Genealogical Society (Ontario, Canada) |
| LCGS➣Licking County Genealogical Society (Ohio) |
| LCGS➣Landelijk Contact Gereformeerde Studentenverenigingen (Dutch: National Contact of Reformed Student Unions; Netherlands) |
| LCGS➣Lewes County Grammar School (UK) |