OLGC
| Acronym | Definition |
|---|---|
| OLGC | Our Lady of Good Counsel (Catholicism; various locations) |
| OLGC | Ontario Lottery and Gaming Corporation |
| OLGC | Office of the Liquor and Gambling Commissioner (South Australia, Australia) |
| OLGC | Osteoclast-Like Giant Cell (tumor) |
| OLGC | Our Lady of Guadalupe College (Mandaluyong City; Philippines) |
| OLGC | Office of Lesbian and Gay Concerns (Unitarian Universalist Association) |