| Acronym | Definition |
|---|
| OOC➣Out of Character (online role-playing) |
| OOC➣Out of Class (various organizations) |
| OOC➣Out-Of-Character (gaming) |
| OOC➣Out Of Control |
| OOC➣Outfit of Choice (pageants) |
| OOC➣Order of Creation (theology) |
| OOC➣Out of Committee (various locations) |
| OOC➣Out of Camera (photography) |
| OOC➣Office of Citizenship (US CIS) |
| OOC➣Out of Curiosity |
| OOC➣Optical (WDM) Overhead Channel |
| OOC➣Out of Character |
| OOC➣Original or Copy |
| OOC➣Out of Core |
| OOC➣Office of Counsel (US Navy) |
| OOC➣Out of Context |
| OOC➣Out-Of-Conference |
| OOC➣Oman Oil Company |
| OOC➣Out of Course (Singapore Armed Forces) |
| OOC➣oil on canvas (type of painting) |
| OOC➣Osaka Organic Chemical Industry Ltd. (Japan) |
| OOC➣Office of Compliance (various organizations) |
| OOC➣Out-Of-Commission |
| OOC➣Out of Country |
| OOC➣Office of the Chairman |
| OOC➣Out of Coffee |
| OOC➣Orlando Opera Company (est. 1958; Orlando, FL) |
| OOC➣Optical Orthogonal Code |
| OOC➣Out of Contract |
| OOC➣Out of Clan (gaming) |
| OOC➣Out of Calibration |
| OOC➣Out of Cycle |
| OOC➣Out of Concentration (Dark Age of Camelot online game) |
| OOC➣Oil on Cuttings |
| OOC➣Officer of Cadets (Australian Defence Forces) |
| OOC➣Operational Oceanography Center |
| OOC➣Object-Oriented COBOL |
| OOC➣Out of Code |
| OOC➣Other Operating Costs (financial management) |
| OOC➣Originating Office Control |
| OOC➣Olympics Organizing Committee |
| OOC➣Orders-on-Contract |