| Abbreviation | Definition |
|---|---|
| GLR | General Literal Resolution |
| GLRO | General Land Registration Office |
| GLS | General Light Shape |
| GLS | General Lighting Standard |
| GLT | Generic Language Technology |
| GLUE | Groups Of Linux Users Everywhere |
| GM | Global Minimal |
| GMA | General Mental Ability |
| GMAS | General Musical Analysis System |
| GMC | General Medical Clinic |
| GMD | General Materials Description |
| GMF | General Medical Floor |
| GMI | General Microsystems Inc |
| GMIO | General Motors International Operations |
| GML | Generalized Markup Language |
| GMMP | General Motors Manufacturing Poland |
| GMP | General Meat Practices |
| GMP | Gross Materials Product |
| GMS | General Management System |
| GMSR | General Marketing and Services Representative |