| Acronym | Definition |
|---|
| CON | Confidence (as in con game) |
| CON | Contrast (TV) |
| CON | Convict |
| CON | Control |
| CON | Certificate Of Need (healthcare) |
| CON | Connection |
| CON | Continued |
| CON | Convention |
| CON | Conclusion |
| CON | Controlled |
| CON | Constitution |
| CON | Console (Includes Keyboard & Screen) |
| CON | Continuous |
| CON | Conductor |
| CON | Conventional |
| CON | Concrete (survey) |
| CON | Conservation (politics) |
| CON | Conjunction |
| CON | Conservative Party |
| CON | Confirmed |
| CON | Consul |
| CON | Conviction |
| CON | College of Nursing (various locations) |
| CON | Consolidated |
| CON | Creatures of the Night |
| CON | Chronicles of Narnia (book & movie series) |
| CON | Contingency |
| CON | Conical |
| CON | Casino on Net |
| CON | Conseco (insurance) |
| CON | Commonwealth of Nations |
| CON | Champions of Norrath (game) |
| CON | Conservatorium of Music |
| CON | Call of Nature |
| CON | Console |
| CON | Configuration File |
| CON | Coniunx (Latin: Consort) |
| CON | Certificate of Networthiness (USAF system certification) |
| CON | Clan Ohne Namen (gaming clan) |
| CON | Chips on the Net |
| CON | Computer Output Notification |
| CON | PeakSimple Control (file extension) |
| CON | Constraint Oriented Notation |