| Abbreviation | Definition |
|---|---|
| UNCCC | United Nations Climate Change Convention |
| UNCCC | United Nations Conference on Climate Change |
| UNCCC | United Nations Contingent Commanders Course |
| UNCCC | United Nations Framework Convention on Climate Change |
| UNCCD | United Nations Convention to Combat Desertification |
| UNCCP | United Nations Consular Corps and Protocol |
| UNCDF | nited Nations Capital Development Fund |
| UNCDF | United Nations Capital Development Fund |
| UNCED | United Nations |
| UNCEF | United Nations Childrens Emergency Fund |
| UNCHR | United Nations Center for Human Rights |
| UNCHR | United Nations Commission on Human Rights |
| UNCHS | United National Center for Human Settlements |
| UNCHS | United Nations Centre for Human Settlements |
| UNCITRAL | United Nations Commission on International TRAde Law |
| UNCLE | United Nations Control For Law And Enforcement |
| UNCLOS | United Nations Conference on the Law of the Sea |
| UNCN | United Nations Commissioner for Namibia |
| UNCO | United Nations Charity Organization |
| UNCR | United Nations Command Rear |