| Subject | English | Thesaurus |
| abbr. | Joint United Nations Program on HIV/AIDS | UNAIDS (bigmaxus) |
| UN, abbr. | Joint United Nations Programme on HIV/ Acquired Immune Deficiency Syndrome | UNAIDS |
| abbr., Makarov. | the United Nations Environment Programme | UNEP (The United Nations Environment Programme (UNEP) is an international organization that coordinates United Nations environmental activities, assisting developing countries in implementing environmentally sound policies and practices. wiki Alexander Demidov) |
| water.suppl., abbr. | United Nations Development Program/Global Environment Monitoring System | UNDP/GEMS |
| abbr. | United Nations Development Programme | UNDP |
| USA | United Nations Development Programmes | UNDP |
| UN | United Nations Drug Control Program | UNDCP (bigmaxus) |
| ecol., abbr. | United Nations Environment Program | UNEP |
| abbr., ecol. | United Nations Environment Program Governing Council | UNEP GC |
| energ.ind., abbr. | United Nations Environment Program Governing Council | UNEPGC |
| abbr., O&G, sakh. | United Nations Environment Programme | UNEP |
| abbr. | United Nations Environmental Programme | UNEP |
| abbr. | United Nations International Drug Control Programme | UNDCP |
| abbr. | United Nations Office for Project Services | UNOPS |
| abbr., environ. | United Nations REDD programme | REDD partnership (MichaelBurov) |
| abbr., environ. | United Nations REDD programme | Reducing Emissions from Deforestation and Forest Degradation (MichaelBurov) |
| abbr., environ. | United Nations REDD programme | REDD-plus (MichaelBurov) |
| abbr., environ. | United Nations REDD programme | REDD+ (MichaelBurov) |
| UN, abbr. | United Nations Special Co Ordinator | UNSCO |
| abbr., polit. | United Nations Transition Assistance Group | UNTAG |
| UN, abbr. | United Nations World Water Assessment Programme | WWAP |
| abbr. | United Nations Zambia Assistance Programme | UNZAP |
