| 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) |