| Acronym | Definition |
|---|
| ALG | Automotive Lease Guide |
| ALG | Algebra |
| ALG | Application Layer Gateway |
| ALG | Arbeitslosengeld (German: Unemployment Benefit) |
| ALG | Algorithm |
| ALG | Americans for Limited Government (Fairfax, Virginia) |
| ALG | Adult Learning Grant (UK) |
| ALG | Application-Level Gateway |
| ALG | Application Level Gateway |
| ALG | Alamo Group, Inc. (Seguin, TX) |
| ALG | Association of London Government |
| ALG | Advanced Landing Ground |
| ALG | Antilymphocyte Globulin |
| ALG | Advanced Lane Guidance (software) |
| ALG | American Laser Games |
| ALG | Art. Lebedev Group |
| ALG | American Leisure Group (various locations) |
| ALG | Angry Little Girls (comic) |
| ALG | Algiers, Algeria - Houari Boumedienne (Airport Code) |
| ALG | Autonomous Landing Guidance |
| ALG | Ain't Love Grand? |
| ALG | Academic Loan Group (Atlanta, GA) |
| ALG | Aircraft Landing Gear |
| ALG | Axiolinguogingival |
| ALG | Advanced Lithography Group |
| ALG | Artists' Licensing Group, Ltd |
| ALG | Armstrong Laing Group, Inc. |
| ALG | ALMA Liaison Group (European Southern Observatory) |
| ALG | Assault Landing Group |