| Acronym | Definition |
|---|
| OLC | Office of Legal Counsel |
| OLC | Our Lady of Czestochowa (New Jersey) |
| OLC | Organizational Life Cycle (business model) |
| OLC | Online Learning Center (various organizations) |
| OLC | Ohio Library Council |
| OLC | Object Life Cycle (computing) |
| OLC | Optics of Liquid Crystals (conference) |
| OLC | Oklahoma Lottery Commission |
| OLC | Office of Licensure and Certification (Virginia Department of Health) |
| OLC | Online Learning Community |
| OLC | on Line Community |
| OLC | on Line Creation |
| OLC | on Line Conferencing |
| OLC | Output Line Card |
| OLC | Oak Leaf Cluster |
| OLC | Ohlson Lavoie Collaborative (architecture firm; Denver, CO) |
| OLC | Open Learning Centre |
| OLC | Oriental Land Company (Japan) |
| OLC | Ontario Lottery Corporation (Ontario, Canada) |
| OLC | Original London Cast |
| OLC | Ontario Literacy Coalition (Ontario, Canada) |
| OLC | On Line Computer |
| OLC | Our Lady of Charity |
| OLC | Old Lutheran Church |
| OLC | Operations Liaison Coordinator (various companies) |
| OLC | Oregon Logging Conference |
| OLC | One Life Crew |
| OLC | Officer's Loan Committee (banking) |
| OLC | Open Logical Channel |
| OLC | Open Loop Control (automation) |
| OLC | On Line Center |
| OLC | Optical Loop Carrier |
| OLC | Offset Length Count (IBM) |
| OLC | Oregon Lands Coalition |
| OLC | Orlando Lacrosse Club (Winter Park, FL) |
| OLC | On Line Creator/Creation (MUD) |
| OLC | Optical Layer Control (Lucent) |