OLGA
| Acronym | Definition |
|---|---|
| OLGA | on Line Gamers Anonymous |
| OLGA | On-Line Guitar Archive |
| OLGA | Organic Land Grid Array |
| OLGA | Online Lead Generation Association (est. 2005) |
| OLGA | On-Line Gamers Anonymous |
| OLGA | Office of Legislative and Government Affairs (American Chemical Society) |
| OLGA | Oberhausener Landesgartenschau (Fair, Germany) |