| OLC | Oak Leaf Cluster 
| Others |
| OLC | Occupant Loading Criterion
| Others |
| OLC | Office Legal Council
| Others |
| OLC | Office of Legal Council
| Others |
| OLC | Office of Legal Counsel
| Others |
| OLC | Offshore Loan Centre
| Others |
| OLC | Oglala Lakota College
| Others |
| OLC | Ohio Leadership Conference
| Others |
| OLC | Ohio Library Council
| Others |
| OLC | Ohlson Lavoie Collaborative
| Others |
| OLC | Ohlson Lavoie Corporation
| Others |
| OLC | Oil Level Control
| Others |
| OLC | Oklahoma Lottery Commission
| Others |
| OLC | Olam Livelihood Charter
| Others |
| OLC | Omaha Lacrosse Club
| Others |
| OLC | On Line Catalog
| Others |
| OLC | On Line Clearance
| Others |
| OLC | On Line Community
| Others |
| OLC | On Line Compiler
| Others |
| OLC | On Line Computer
| Others |
| OLC | On Line Conferencing
| Others |
| OLC | On Line Configuration
| Others |
| OLC | On Line Configurator
| Others |
| OLC | On line Consulting
| Others |
| OLC | On Line Contest
| Others |
| OLC | On Line Control
| Others |
| OLC | On Line Creation
| Others |
| OLC | On Location Casting
| Others |
| OLC | On-Line Classroom
| Others |
| OLC | On-Line Clinicians
| Others |
| OLC | On-Line Content
| Others |
| OLC | One LED Concept
| Others |
| OLC | One Life Crew
| Others |
| OLC | online course
| Others |
| OLC | Online Learning Center
| Others |
| OLC | Online Learning Centre
| Others |
| OLC | Online Learning Community
| Others |
| OLC | Online Learning Consortium
| Others |
| OLC | Online Learning Council
| Others |
| OLC | Ontario Lancer Club
| Others |
| OLC | Open Ldap Configuration
| Others |
| OLC | Open Learning Campus
| Others |
| OLC | Open Learning Centre
| Others |
| OLC | Open Logical Channel
| Others |
| OLC | Operations Liaison Coordinator
| Others |
| OLC | Optical Loop Carrier
| Others |
| OLC | Optimal Linear Combination
| Others |
| OLC | Oregon Law Center
| Others |
| OLC | Oregon Lidar Consortium
| Others |
| OLC | Oregon Logging Conference
| Others |
| OLC | Organic Leadership Courses
| Others |
| OLC | Organizational Learning Center
| Others |
| OLC | Organizational Learning Culture
| Others |
| OLC | Organizational life cycle
| Others |
| OLC | Oriental Land Co
| Others |
| OLC | Oriental Land Company
| Others |
| OLC | Original London Cast
| Others |
| OLC | Ornstein Leyton Company
| Others |
| OLC | Orthopaedic Learning Center
| Others |
| OLC | Ouabain like Compound
| Others |
| OLC | Our Lady of
| Others |
| OLC | Our Lady of Charity
| Others |
| OLC | Our Lady of Charity's
| Others |
| OLC | Our Lady of Consolation
| Others |
| OLC | Our Lady of Czestochowa
| Others |
| OLC | Outdoor Leadership Center
| Others |
| OLC | Outdoor Leadership Course
| Others |
| OLC | Outdoor Learning Center
| Others |
| OLC | Outer Loop Control
| Others |
| OLC | Output Line Card
| Others |
| OLC | Outsell Leadership Community
| Others |
| OLC | Overseas Love Crisis
| Others |
| OLC | Oxford Language Center
| Others |
| OLC | University of Otago Language Centre
| Others |