| Acronym | Definition |
|---|
| KOC | Kuwait Oil Company |
| KOC | Keepsake Ornament Club (Hallmark) |
| KOC | Kings of Convenience (band) |
| KOC | Kingdom of Cambodia |
| KOC | Knights of Columbus |
| KOC | Kings of Chaos (gaming) |
| KOC | Knights of Chaos (est. 1999; gaming clan) |
| KOC | Kingdoms of Camelot (online gaming) |
| KOC | Knights of Cydonia (Muse song) |
| KOC | Kiss on the Cheek |
| KOC | Knights of Cygnus (gaming; MapleStory) |
| KOC | Kids of Cracatau (band) |
| KOC | Kuwait Olympic Committee |
| KOC | Kids of Courage (various organizations) |
| KOC | Organic Carbon Absorption (coefficient) |
| KOC | Kings of Crime (band) |
| KOC | Kosova Olympic Committee |
| KOC | Key Operational Capability |
| KOC | Kick Off Crew |
| KOC | Kick Off Call |