United Nations insiders have a language of their own known fondly to those who speak it as "Unese." An essential part of the lingo is an alphabet soup of organs and organizations. The ones below appeared in just one recent document on the "Composition of UN Staff."
ASG Assistant Secretary-General
BINUCA United Nations Integrated Peacebuilding Office in the Central
African Republic
BNUB United Nations Office in Burundi
CNMC Cameroon-Nigeria Mixed Commission
CTED Counter-Terrorism Committee Executive Directorate
DESA Department of Economic and Social Affairs
DFS Department of Field Support
DGACM Department for General
Assembly and Conference Management
DM Department of Management
DPA Department of Political Affairs
DPI Department of Public Information
DPKO Department of Peacekeeping Operations
DSS Department of Safety and Security
ECA Economic Commission for Africa
ECE Economic Commission for Europe
ECLAC Economic Commission for Latin America and the Caribbean
EOSG Executive Office of the Secretary -General
ESCAP Economic and Social Commission for Asia and the Pacific
ESCWA Economic and Social Commission for Western Asia
ETHICS Ethics Office
FS Field Service
FT Fixed-term
GS+ General Service and related categories
ICJ International Court of Justice
ICSC International Civil Service Commission
ICTR International Criminal Tribunal for Rwanda
ICTY International Tribunal for the Former Yugoslavia
IMIS Integrated Management Information System
INT Interpreters
INTERORG Inter-organizational bodies, including the secretariat of the
Joint Inspection Unit
IRM International Residual Mechanism for Criminal Tribunals
ITC International Trade Centre
MENUB United Nations Electoral Observer Mission in Burundi
MINURCA United Nations Mission in the Central African Republic
MINURSO United Nations Mission for the Referendum in Western Sahara
MINUSCA United Nations Multidimensional Integrated Stabilization
Mission in the Central African Republic
MINUSMA United Nations Multidimensional Integrated Stabilization
Mission in Mali
MINUSTAH United Nations Stabilization Mission in Haiti
MONUSCO United Nations Organization Stabilization Mission in the
Democratic Republic of the Congo
NPO National Professional Officers
OAJ Office of Administration of Justice
OCHA Office for the Coordination of Humanitarian Affairs
ODA Office for Disarmament Affairs
OHCHR Office of the United Nations High Commissioner for Human Rights
OHRLLS Office of the High Representative for the Least Developed
Countries, Landlocked Developing Countries and Small Island Developing States
OHRM Office of Human Resources Management
OIOS Office of Internal Oversight Services
OJSRS Office of the Joint Special Representative of the United Nations
and the League of Arab States for Syria
OLA Office of Legal Affairs
OPCW-UN Organization for the Prohibition of Chemical Weapons -United
Nations Joint Mission for the Elimination of the Chemical Weapons Programme of
the Syrian Arab Republic
OSAA Office of the Special Adviser on Africa
OSE-Syria Office of the Special Envoy of the Secretary -General for
Syria
OSES Office of the Special Envoy of the Secretary -General for the
Sahel
OSESSS Office of the Special Envoy for the Sudan and South Sudan
OSRSGCAAC Office of the Special
Representative of the Secretary -General for Children and Armed Conflict
PIA Public information assistants
POE-Yemen Panel of Experts on Yemen
PSO Peacebuilding Support Office
ROL Rule of Law Unit
UNAMA United Nations Assistance Mission in Afghanistan
UNAMI United Nations Assistance Mission for Iraq
UNAMID African Union-United Nations Hybrid Operation in Darfur
UNCC United Nations Compensation Commission
UNCTAD United Nations Conference on Trade and Development
UNDOF United Nations Disengagement Observer Force
UNDP United Nations Development Programme
UNEP United Nations Environment Programme
UNFICYP United Nations
Peacekeeping Force in Cyprus
UNIFIL United Nations Interim Force in Lebanon
UNIOGBIS United Nations Integrated Peacebuilding Support Office in
Guinea-Bissau
UNIPSIL United Nations Integrated Peacebuilding Office in Sierra
Leone
UNISFA United Nations Interim Security Force for Abyei
UNITAR United Nations Institute for Training and Research
UNJSPF United Nations Joint Staff Pension Fund
UNLB United Nations Logistics Base
UNMEER United Nations Mission for Ebola Emergency Response
UNMIK United Nations Interim Administration Mission in Kosovo
UNMIL United Nations Mission in Liberia
UNMISS United Nations Mission in South Sudan
UNMIT United Nations Integrated Mission in Timor -Leste
UNMOGIP United Nations Military Observer Group in India and
Pakistan
UNOAU United Nations Office to the African Union
UNOCA United Nations Regional Office for Central Africa
UNOCI United Nations Operation in Côte d’Ivoire
UNODC United Nations Office on Drugs and Crime
UNOG United Nations Office at Geneva
UNOM United Nations Office in Mali
UNOMS United Nations Office of the Ombudsman and Mediation
Services
UNON United Nations Office at Nairobi
UNOPS United Nations Office for Project Services
UNOSDP United Nations Office on Sport for Development and Peace
UNOV United Nations Office at Vienna
UNOWA United Nations Office for West Africa
UNPOS United Nations Political Office for Somalia
UNRCCA United Nations Regional Centre for Preventive Diplomacy for
Central Asia
UNRGID United Nations Representative to the Geneva International
Discussions
UNRWA United Nations Relief and Works Agency for Palestine Refugees in
the Near East
UNSCO Office of the United Nations Special Coordinator for the Middle
East Peace Process
UNSCOL Office of the Special Coordinator of the Secretary -General for
Lebanon
UNSMIL United Nations Support Mission in Libya
UNSOA United
Nations Support Office for the African Union Mission in Somalia
UNSOM United
Nations Assistance Mission in Somalia
UNTSO United
Nations Truce Supervision Organization
UNU United
Nations University
UN-Women
United Nations Entity for Gender Equality and the Empowerment of Women
USG
Under-Secretary-General