OC
OC is a versatile abbreviation seen in education for online classes, in law‑enforcement and media for organized crime, in economics for opportunity cost, in online communities for original content, and in psychology for obsessive‑compulsive disorders.
Medical
Oleoresin Capsicum (pepper spray for self-defense)
On Call
Oral Contraceptive
Original Cub
Obsessive Compulsive
Miscellaneous
Orrible Children
Oleoresin Capsicum
Outrigger Canoe
Obedience Champion
Ostrich Cookies
The Order of Canada
Original Combo
Oatmeal Cookie
Outrageous Chaos
Orange Crush
Outta Control
Overrated Claptrap
Old Clothes
Organisation Communication
Origanal Character
Ottawa Carleton
Community
Open Category
Original Character
Original Content
Off Camera
Overtly Christian
Operation Classroom
Other Character
Overgrown Children
Other Characters
Original Credit
Other Contributors
Other Category
Other Child
Organizing Committee
Oliver Cromwell
Old Covenant
Operation Christ
Overated Crap
O Canada
Over Commercialized
Our Crowd
Own Creation
Other Caste
Governmental
Observer Controller
Office Call
Obstruction Chart
Other Contingencies
Ocean Cove
Option Chain
Operations Center
Organized Clan
Oleander City (nick-name of Galveston, Texas)
Oral Coersion
Okeechobee County
Official Campaign
Organized Crime
Out of the Country
Ordnance Corps
Orbital Check
OverCurrent
Office of the Commissioner
Immediate Office of the Commissioner
Osawatomie City, Kansas
On-Condition
Operations Controller
Operations Coordinator
Orange County (California)
International
Academic & Science
Off Campus
Old Coherence
Optical Cable
Open Concepts
Online Class
Oklahoma Christian
Organic Carbon
Open Collector
Open Circuit
Over Current
On Center
Optical Circuit
Optimum Compaction
Optimal Classification
Operating Characteristic
Orange Coast
Odessa College
Organic Content