GL
- gl – (s) Galician language (ISO 639-1 code)
- GL
- (s) Gigalitre
- (i) Graphics Language
- (s) Greenland (ISO 3166 digram; FIPS 10-4 territory code)
- (i) Grenade Launcher
- gla – (s) Scottish Gaelic language (ISO 639-2 code)
- GLAAD – (a) Gay and Lesbian Alliance Against Defamation
- GLAC – (a) General Ledger Accounting Code
- GLAST – (a) Gamma-ray Large Area Space Telescope
- GLBA – (i) Gramm-Leach-Bliley Act
- GLC – (i) Gas-liquid chromatography
- gle – (s) Irish language (ISO 639-2 code)
- glg – (s) Galician language (ISO 639-2 code)
- GLINT
- (a) Gallium-arsenide Laser Illuminator for Night TV
- Gated Laser Illuminator for Narrow Television
- (p) Gated Laser Intensifier (tape)
- Gospel Literature International
- Graphical Linux Installation Tool
- GLONASS – (a) Globalnaya navigatsionnaya sputnikovaya sistema (Russian Глоба́льная Навигацио́нная Спу́тниковая Систе́ма, "Global Navigation Satellite System")
- GLP – (s) Guadeloupe (ISO 3166 trigram)
- GLUT – (a/i) OpenGL Utility Toolkit
- glv – (s) Manx language (ISO 639-2 code)
- GLV – (i) Gained Life Value
Read more about this topic: List Of Acronyms And Initialisms: G