| Abbreviation | Definition |
|---|---|
| GPPL | Grande Prairie Public Library |
| GPPL | Grosse Pointe Public Library |
| GQ | Gentleman's Quarterly, Gentlemen's Quarterly |
| GRBL | Golden Regional Branch Library |
| GRL | Genealogical Research Library |
| GRL | Graph Rewrite Library |
| GSL | Guideline support library |
| GSL | Guidelines Support Library |
| GSLA | Graduate Student Library Assistant |
| GSPL | Greater Sudbury Public Library |
| GSS | Gilt-Stamped Spine |
| GSTL | Gopher State Tape Library |
| GTPL | Georgetown Township Public Library |
| GTRB | Guide To Reference Books |
| GUL | Geometry Utility Library |
| GUL | Glasgow University Library |
| GVER | Global Virtue Ethics Review |
| GW | George Washington |
| GWL | Glasgow Women's Library |
| GWTW | Gone With the Wind |