| Abbreviation | Definition |
|---|---|
| G&M | Garrison & Morton |
| GAIL | Gnome Accessibility Implementation Library |
| GAIL | Guaranteed Automatic Integration Library |
| GAIN | Get Alternative Information Now |
| GAL | Girls At Library |
| GALC | The Graphic Arts Loan Collection (UC Berkeley Library) |
| GALP | Good Automated Library Practices |
| GAPL | Greenville Area Public Library |
| GARLIC | Generic Ada Reusable Library for Interpartition Communication |
| GAVL | Gmerlin Audio Video Library |
| GBBL | George Bruce Branch Library |
| GBBL | Grand Blanc Branch Library |
| GBDL | Georgia Basin Digital Library |
| GBLP | Google Books Library Project |
| GBS | George Bernard Shaw |
| GBS | George Bernard Shaw (1856-1950) |
| GBWL | George Blunt White Library |
| GCCL | Grove City Community Library |
| GCDPL | Guernsey County District Public Library |
| GDAL | Geospatial Data Abstraction Library |