Full forms: world bodies, countries and sport
33 full forms, each with a line on what it means.
International organisations are known almost entirely by their initials, and questions on them are a fixture of school general knowledge and of competitive examinations. This page covers the United Nations and its agencies, the main regional groupings, the best-known foreign agencies, and the governing bodies and terms of cricket, football and the Olympic movement, along with the short forms of world time. Some of these are said as words, NATO, UNESCO, FIFA, and some letter by letter, WHO, IMF, EU. A few keep old letters after a change of name: UNICEF still carries the I and E of "International" and "Emergency" from its original title.
UN
United Nations
The international organisation of countries founded in 1945 to keep peace and promote cooperation.
UNO
United Nations Organisation
An older name for the United Nations, still common in Indian textbooks.
UNESCO
United Nations Educational, Scientific and Cultural Organization
The UN agency for education, science and culture, known for its list of World Heritage Sites.
UNICEF
United Nations Children's Fund
The UN agency for children. It keeps the letters of its original name, United Nations International Children's Emergency Fund.
WHO
World Health Organization
The UN agency for international public health, based in Geneva.
WTO
World Trade Organization
The organisation that deals with the rules of trade between countries.
IMF
International Monetary Fund
The organisation that works for monetary stability and lends to countries in financial difficulty.
ILO
International Labour Organization
The UN agency that sets international labour standards.
FAO
Food and Agriculture Organization
The UN agency that leads efforts to defeat hunger.
NATO
North Atlantic Treaty Organization
A military alliance of North American and European countries, founded in 1949.
SAARC
South Asian Association for Regional Cooperation
The regional organisation of South Asian countries, founded in 1985.
ASEAN
Association of Southeast Asian Nations
The regional organisation of Southeast Asian countries.
BRICS
Brazil, Russia, India, China, South Africa
A grouping of major emerging economies, named after its first five members.
EU
European Union
The political and economic union of European countries.
OPEC
Organization of the Petroleum Exporting Countries
A group of oil-producing countries that coordinates petroleum policy.
NASA
National Aeronautics and Space Administration
The space agency of the United States.
ESA
European Space Agency
The space agency of European countries.
FBI
Federal Bureau of Investigation
The main federal investigating agency of the United States.
CIA
Central Intelligence Agency
The foreign intelligence agency of the United States.
USA
United States of America
The country of 50 states in North America.
UK
United Kingdom
The United Kingdom of Great Britain and Northern Ireland.
UAE
United Arab Emirates
A country of seven emirates on the Arabian Peninsula, including Dubai and Abu Dhabi.
ICC
International Cricket Council
The world governing body of cricket.
BCCI
Board of Control for Cricket in India
The governing body of cricket in India.
IPL
Indian Premier League
The Twenty20 cricket league of India, first played in 2008.
FIFA
Fédération Internationale de Football Association
The world governing body of football. The name is French for International Federation of Association Football.
IOC
International Olympic Committee
The body that organises the Olympic Games. In India, IOC is also Indian Oil Corporation.
ODI
One Day International
A cricket match between national teams of 50 overs a side.
LBW
Leg Before Wicket
A way of being out in cricket, when the ball hits the batter's leg and would have hit the stumps.
ISO
International Organization for Standardization
The body that publishes international standards. "ISO" is a chosen short name, from the Greek isos, equal, not initials.
UTC
Coordinated Universal Time
The world's time standard, from which all time zones are counted.
GMT
Greenwich Mean Time
The time at the Greenwich meridian in London, the older base for world time.
IST
Indian Standard Time
The time used across India, five and a half hours ahead of UTC.
How to read an entry
The letters in bold are the short form as it is normally written. Under it is the full form, and then a line of meaning in plain words. Where the same letters mean something else in another field, the entry mentions it. "Copy" puts the short form, the full form and the meaning on your clipboard, ready to paste into notes or a message.
Check what matters. These pages explain names and terms in general. Rules, dates, fees and limits change: take them from the official body. Read on 12 November 2026.
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