OLC
# OLC

OLC is a three-letter initialism (TLA) that may refer to:

* Oak leaf cluster, a military decoration
* Office of Legal Counsel in the U.S. Department of Justice
* Ohio Library Council, professional association for librarians in Ohio
* Online Contest (gliding), a glider, hang glider, and paraglider soaring competition
* Online creation, a software feature in MUDs that allows editing the world while interacting with it
* Online Learning Consortium, a professional organization promoting online education
* Open Location Code, a system for identifying a place on Earth
* Open-loop controller, a system controller that does not use feedback
* Optical lattice clock, a type of optical atomic clock
* The Oriental Land Company
