| Acronym | Definition |
|---|
| GAL | Gallon |
| GAL | Global Address List (Microsoft Exchange) |
| GAL | Galatians |
| GAL | Galileo (unit of gravity) |
| GAL | Get A Life |
| GAL | Gay and Lesbian |
| GAL | galactose |
| GAL | Guardian ad Litem |
| GAL | Global Administrative Law |
| GAL | Groupe d'Action Locale (French: Local Action Group) |
| GAL | Gallery |
| GAL | Gnome Application Libraries |
| GAL | Global Address List |
| GAL | Grün Alternative Liste (German: Green Alternative List) |
| GAL | Grow and Learn (algorithm) |
| GAL | Guarantee against Loss (insurance; various locations) |
| GAL | Guild of American Luthiers |
| GAL | Global Access List |
| GAL | Gesellschaft für Angewandte Linguistik (German: Association for Applied Linguistics) |
| GAL | Generic Array Logic |
| GAL | Grupos Antiterroristas de Liberación (Spain) |
| GAL | Gate Array Logic |
| GAL | Greyhound Adoption League |
| GAL | Galena, AK, USA (Airport Code) |
| GAL | Gallium Arsenide Laser |
| GAL | Guaranteed Access Level |
| GAL | Gradient Adaptive Lattice |
| GAL | Guggenheim Aeronautical Laboratory |
| GAL | Gas Analysis Laboratory |
| GAL | George A. Lincoln (WWII General) |
| GAL | Galindian (linguistics) |
| GAL | Guinea Airways, Ltd. |
| GAL | Groupe Antiterroristes de Libération (French: Anti-Terrorist Liberation Group) |
| GAL | Gathering Arm Loader (mining) |
| GAL | Graphics Adapter Language |
| GAL | Gimbal Angle Loss |
| GAL | Global Access Library |