OLCC
| Acronym | Definition |
|---|---|
| OLCC | Oregon Liquor Control Commission |
| OLCC | Our Lady of Corpus Christi (Corpus Christi, TX) |
| OLCC | Onondaga Lake Cleanup Corporation (Syracuse, NY) |
| OLCC | Orthodox Lutheran Confessional Conference (est. 2006) |
| OLCC | Online Library Cataloging Center (national cooperative library cataloging service in China) |
| OLCC | Online Chemistry Course (various schools) |