GLSA
| Acronym | Definition |
|---|---|
| GLSA | Gentoo Linux Security Advisory (Internet security) |
| GLSA | Gentoo Linux Security Advisory |
| GLSA | Grande Loge Suisse Alpina (French: Swiss Grand Lodge Alpina; Switzerland) |
| GLSA | Grand Lodge of South Africa (Freemasonry; est. 1961) |
| GLSA | Gay Law Students Association |
| GLSA | General Ledger Subsidiary Account |
| GLSA | Government Large Structures Assembly |