GLA
- Alpha-galactosidase
- GLA (LGBT)
- GLA (album)
- GLA (gene)
- GLA University
- Gamma-Linolenic acid
- Gangmasters Licensing Authority
- General lighthouse authority
- Georgia Library Association
- Ghana Library Association
- Gla
- Gla domain
- Glamorgan
- Glasgow Airport
- GlassBridge Enterprises
- Global Leadership Adventures
- God Light Association
- Great Lakes Airlines
- Great Lakes Avengers
- Greater London Authority
- Gross leasable area
- Guam Library Association
- Linde–Buzo–Gray algorithm
- Mercedes-Benz GLA-Class
- Scottish Gaelic