| Contents |
| Current codes |
| Obsolete codes |
| Temporary codes |
| See also |
| References |
| External links |
| Code | Nation / IOC designation | First use | Notes |
|---|---|---|---|
| AFG | Afghanistan | 1936 | |
| AHO | Netherlands Antilles | 1960 | |
| ALB | Albania | 1972 | |
| ALG | Algeria | 1964 | |
| AND | Andorra | 1976 | |
| ANG | Angola | 1980 | |
| ANT | Antigua and Barbuda | 1976 | part of BWI (West Indies Federation) 1960 |
| ARG | Argentina | 1920 | |
| ARM | Armenia | 1994 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| ARU | Aruba | 1988 | part of AHO (Netherlands Antilles) 1960-1984 |
| ASA | American Samoa | 1988 | |
| AUS | Australia | 1896 | current usage 1896-1904 part of ANZ (Australasia) 1908-1912 current usage resumed 1920 |
| AUT | Austria | 1896 | |
| AZE | Azerbaijan | 1996 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| BAH | Bahamas | 1952 | |
| BAN | Bangladesh | 1984 | |
| BAR | Barbados | 1968 | part of BWI (West Indies Federation) 1960 |
| BDI | Burundi | 1996 | |
| BEL | Belgium | 1900 | |
| BEN | Benin | 1980 | DAH (Dahomey) 1972 |
| BER | Bermuda | 1936 | |
| BHU | Bhutan | 1984 | |
| BIH | Bosnia and Herzegovina | 1992 | part of YUG () 1920-1992 (Winter) |
| BIZ | Belize | 1968 | HBR (British Honduras) 1968-1972 |
| BLR | Belarus | 1994 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| BOL | Bolivia | 1936 | |
| BOT | Botswana | 1980 | |
| BRA | Brazil | 1920 | |
| BRN | Bahrain | 1984 | |
| BRU | Brunei | 1988 | |
| BUL | Bulgaria | 1896 | |
| BUR | Burkina Faso | 1972 | VOL (Upper Volta) 1972-1984 |
| CAF | Central African Republic | 1968 | |
| CAM | Cambodia | 1956 | |
| CAN | Canada | 1900 | |
| CAY | Cayman Islands | 1976 | part of BWI (West Indies Federation) 1960 |
| CGO | Congo | 1964 | |
| CHA | Chad | 1964 | |
| CHI | Chile | 1896 | |
| CHN | People's Republic of China | 1932 | Republic of China as "" 1932-1956 current usage began 1979 |
| CIV | Côte d'Ivoire | 1964 | |
| CMR | Cameroon | 1964 | |
| COD | Democratic Republic of the Congo | 1968 | ZAI (Zaire) 1984-1996 |
| COK | Cook Islands | 1988 | |
| COL | Colombia | 1932 | |
| COM | Comoros | 1996 | |
| CPV | Cape Verde | 1996 | |
| CRC | Costa Rica | 1936 | |
| CRO | Croatia | 1992 | part of YUG () 1920-1988 |
| CUB | Cuba | 1900 | |
| CYP | Cyprus | 1980 | |
| CZE | Czech Republic | 1994 | BOH (Bohemia) 1900-1912 part of TCH () 1920-1992 |
| DEN | Denmark | 1896 | |
| DJI | Djibouti | 1984 | |
| DMA | Dominica | 1996 | part of BWI (West Indies Federation) 1960 |
| DOM | Dominican Republic | 1964 | |
| ECU | Ecuador | 1924 | |
| EGY | Egypt | 1912 | RAU (United Arab Republic) 1960-1968 |
| ERI | Eritrea | 2000 | part of ETH (Ethiopia) 1956-1980 |
| ESA | El Salvador | 1968 | |
| ESP | Spain | 1900 | |
| EST | Estonia | 1924 | part of RUS () 1900-1912 current usage 1924-1936 part of URS () 1948-1988 current usage resumed 1992 |
| ETH | Ethiopia | 1956 | |
| FIJ | Fiji | 1956 | |
| FIN | Finland | 1908 | |
| FRA | France | 1896 | |
| FSM | Federated States of Micronesia | 2000 | |
| GAB | Gabon | 1972 | |
| GAM | Gambia | 1984 | |
| GBR | United Kingdom | 1896 | "Great Britain and Ireland" 1896-1920 current usage began 1924 |
| GBS | Guinea-Bissau | 1996 | |
| GEO | Georgia | 1994 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| GEQ | Equatorial Guinea | 1984 | |
| GER | Germany | 1896 | current usage 1896-1936 listed as FRG () 1952, 1968-1988 separate team SAA (Saar) in 1952 listed as EUA ( United Team of Germany) 1956-1964 separate team GDR () 1968-1988 current usage resumed 1992 |
| GHA | Ghana | 1952 | |
| GRE | Greece | 1896 | |
| GRN | Grenada | 1984 | part of BWI (West Indies Federation) 1960 |
| GUA | Guatemala | 1952 | |
| GUI | Guinea | 1968 | |
| GUM | Guam | 1988 | |
| GUY | Guyana | 1948 | |
| HAI | Haiti | 1924 | |
| HKG | Hong Kong | 1952 | designated "Hong Kong" 1952-1996 |
| HON | Honduras | 1968 | |
| HUN | Hungary | 1896 | |
| INA | Indonesia | 1952 | |
| IND | India | 1900 | |
| IRI | Iran | 1948 | |
| IRL | Republic of Ireland | 1924 | part of "Great Britain and Ireland" 1896-1920 current usage began 1924 |
| IRQ | Iraq | 1948 | |
| ISL | Iceland | 1908 | |
| ISR | Israel | 1952 | |
| ISV | U.S. Virgin Islands | 1968 | |
| ITA | Italy | 1948 | |
| IVB | British Virgin Islands | 1984 | |
| JAM | Jamaica | 1948 | current usage 1948-1956 part of BWI (West Indies Federation) 1960 current usage resumed 1964 |
| JOR | Jordan | 1968 | |
| JPN | Japan | 1912 | |
| KAZ | Kazakhstan | 1994 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| KEN | Kenya | 1956 | |
| KGZ | Kyrgyzstan | 1994 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| KIR | Kiribati | 2004 | |
| KOR | South Korea | 1948 | |
| KSA | Saudi Arabia | 1972 | |
| KUW | Kuwait | 1968 | |
| LAO | Laos | 1980 | |
| LAT | Latvia | 1924 | part of RUS () 1900-1912 current usage 1924-1936 part of URS () 1948-1988 current usage resumed 1992 |
| LBA | Libya | 1964 | |
| LBR | Liberia | 1956 | |
| LCA | Saint Lucia | 1996 | part of BWI (West Indies Federation) 1960 |
| LES | Lesotho | 1972 | |
| LIB | Lebanon | 1948 | |
| LIE | Liechtenstein | 1936 | |
| LTU | Lithuania | 1924 | part of RUS () 1900-1912 current usage 1924-1936 part of URS () 1948-1988 current usage resumed 1992 |
| LUX | Luxembourg | 1908 | |
| MAD | Madagascar | 1964 | |
| MAR | Morocco | 1960 | |
| MAS | Malaysia | 1992 | MAL (Malaysia) 1964-1988 MAL (Malaya) also used for Malaya 1956-1960 |
| MAW | Malawi | 1972 | |
| MDA | Republic of Moldova | 1994 | part of RUS () 1900-1912 part of ROM () 1920-1936 part of URS () 1952-1988 part of EUN () 1992 |
| MDV | Maldives | 1988 | |
| MEX | Mexico | 1924 | |
| MGL | Mongolia | 1964 | |
| MHL | Marshall Islands | 2008 | |
| MKD | Republic of Macedonia | 1996 | part of YUG () 1920-1988 |
| MLI | Mali | 1964 | |
| MLT | Malta | 1928 | |
| MNE | Montenegro | 2008 | part of YUG () 1920-1992 (Winter) individuals as IOP (Independent Olympic Participants) 1992 (Summer) part of YUG () 1996-2002 part of SCG () 2004-2006 |
| MON | Monaco | 1920 | |
| MOZ | Mozambique | 1980 | |
| MRI | Mauritius | 1984 | |
| MTN | Mauritania | 1984 | |
| MYA | Myanmar | 1992 | BIR (Burma) 1948-1988 |
| NAM | Namibia | 1992 | |
| NCA | Nicaragua | 1968 | |
| NED | Netherlands | 1900 | HOL (Holland) 1900-1988 |
| NEP | Nepal | 1964 | |
| NGR | Nigeria | 1952 | |
| NIG | Niger | 1968 | |
| NOR | Norway | 1900 | |
| NRU | Nauru | 1996 | |
| NZL | New Zealand | 1920 | part of ANZ (Australasia) 1908-1912 |
| OMA | Oman | 1984 | |
| PAK | Pakistan | 1948 | |
| PAN | Panama | 1928 | |
| PAR | Paraguay | 1964 | |
| PER | Peru | 1936 | |
| PHI | Philippines | 1924 | |
| PLE | Palestine | 1996 | |
| PLW | Palau | 2000 | |
| PNG | Papua New Guinea | 1976 | |
| POL | Poland | 1924 | |
| POR | Portugal | 1912 | |
| PRK | Democratic People's Republic of Korea | 1972 | |
| PUR | Puerto Rico | 1948 | |
| QAT | Qatar | 1984 | |
| ROU | Romania | 1924 | Code changed from ROM to ROU in January 2007 |
| RSA | South Africa | 1992 | SAF (South Africa) 1904-1960 |
| RUS | Russian Federation | 1900 | Designated "Russian Empire" 1900-1912 replaced by URS () 1952-1988 part of EUN () 1992 current usage began 1994 |
| RWA | Rwanda | 1984 | |
| SAM | Samoa | 1984 | "Western Samoa" 1984-1996 |
| SEN | Senegal | 1964 | |
| SEY | Seychelles | 1980 | |
| SIN | Singapore | 1948 | current usage 1948-1960 part of MAL (Malaysia) 1964 current usage resumed 1968 |
| SKN | Saint Kitts and Nevis | 1996 | part of BWI (West Indies Federation) 1960 |
| SLE | Sierra Leone | 1968 | |
| SLO | Slovenia | 1992 | part of YUG () 1920-1988 |
| SMR | San Marino | 1960 | |
| SOL | Solomon Islands | 1984 | |
| SOM | Somalia | 1972 | |
| SRB | Serbia | 1912 | part of YUG () 1920-1992 (Winter) individuals as IOP (Independent Olympic Participants) 1992 (Summer) part of YUG () 1996-2002 part of SCG () 2004-2006 usage to be resumed 2008 |
| SRI | Sri Lanka | 1948 | |
| STP | São Tomé and Príncipe | 1996 | |
| SUD | Sudan | 1960 | |
| SUI | Switzerland | 1900 | |
| SUR | Suriname | 1968 | |
| SVK | Slovakia | 1994 | part of TCH () 1920-1992 |
| SWE | Sweden | 1896 | |
| SWZ | Swaziland | 1900 | |
| SYR | Syria | 1948 | |
| TAN | Tanzania | 1964 | |
| TGA | Tonga | 1984 | |
| THA | Thailand | 1952 | |
| TJK | Tajikistan | 1996 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| TKM | Turkmenistan | 1996 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| TLS | Timor-Leste | 2004 | IOA (Individual Olympic Athletes) 2000 |
| TOG | Togo | 1972 | |
| TPE | Chinese Taipei | 1984 | as "" CHN 1932-1956 as "" TAI 1960-1964 as "" ROC 1968-1972 current usage began 1984 |
| TRI | Trinidad and Tobago | 1948 | current usage 1948-1956 part of BWI (West Indies Federation) 1960 current usage resumed 1964 |
| TUN | Tunisia | 1960 | |
| TUR | Turkey | 1908 | |
| TUV | Tuvalu | 2008 | |
| UAE | United Arab Emirates | 1984 | |
| UGA | Uganda | 1956 | |
| UKR | Ukraine | 1994 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| URU | Uruguay | 1924 | |
| USA | United States of America | 1896 | |
| UZB | Uzbekistan | 1994 | part of RUS () 1900-1912 part of URS () 1924-1988 part of EUN () 1992 |
| VAN | Vanuatu | 1988 | |
| VEN | Venezuela | 1948 | |
| VIE | Vietnam | 1952 | |
| VIN | Saint Vincent and the Grenadines | 1988 | part of BWI (West Indies Federation) 1960 |
| YEM | Yemen | 1992 | |
| ZAM | Zambia | 1968 | part of RHO (Rhodesia) 1928-1960 RHN (Northern Rhodesia) 1964 |
| ZIM | Zimbabwe | 1980 | part of RHO (Rhodesia) 1928-1960 RHS (Southern Rhodesia) 1964 |
| Code | IOC designation | Used from | Used to | Notes |
|---|---|---|---|---|
| ANZ | Australasia | 1908 | 1912 | Combined Australia and New Zealand team |
| BIR | Burma | 1948 | 1988 | Now MYA (Myanmar) |
| BOH | Bohemia | 1900 | 1912 | Now CZE (Czech Republic) |
| BOR | North Borneo | 1952 | ||
| BWI | West Indies Federation | 1960 | ||
| CEY | Ceylon | 1948 | 1972 | Now SRI (Sri Lanka) |
| DAH | Dahomey | 1972 | Now BEN (Benin) | |
| EUA | 1956 | 1964 | GER used then, EUA applied in hindsight | |
| FRG | West Germany | 1980 | 1988 | Now GER again as GDR states had acceded the Federal Republic of Germany |
| GDR | East Germany | 1968 | 1988 | Ceased to exist, states joined Federal Republic of Germany |
| HBR | British Honduras | 1968 | 1972 | Now BIZ (Belize) |
| HOL | Netherlands | 1900 | 1988 | Changed to NED at 1992 Games |
| IHO | Indonesia | 1952 | Now INA (Indonesia) | |
| IRN | Iran | 1948 | 1976 | Now IRI |
| KHM | Cambodia | 1972 | Now CAM (Cambodia) | |
| KIT | Italy | 1896 | 1936 | Now ITA |
| LIT | Lithuania | 1992 | Now LTU | |
| MAL | Malaysia | 1956 | 1992 | Used 1956-1960 for Malaya; used 1964-1988 for Malaysia. Now MAS |
| NGU | Papua New Guinea | 1980 | 1984 | Now PNG |
| NGY | Papua New Guinea | 1976 | Changed to NGU; now PNG | |
| RAU | United Arab Republic | 1960 | 1968 | Now EGY (Egypt) |
| RHN | Northern Rhodesia | 1964 | Now ZAM (Zambia) | |
| RHO | Rhodesia | 1928 | 1960 | |
| RHS | Southern Rhodesia | 1964 | Now ZIM (Zimbabwe) | |
| ROC | Republic of China | 1968 | 1976 | Now TPE (Chinese Taipei) |
| ROM | Romania | 1924 | 2006 | Now ROU |
| SAA | Saar | 1952 | Joined Federal Republic of Germany after 1955 | |
| SAF | South Africa | 1904 | 1960 | Returned as RSA (Republic of South Africa) in 1992 |
| SAU | Saudi Arabia | 1984 | Now KSA | |
| SCG | Serbia and Montenegro | 2004 | 2006 | part of YUG () 1920-1988 individuals as IOP (Independent Olympic Participants) 1992 competed as YUG () 1996-2002 |
| TAI | Taiwan | 1960 | 1964 | Now TPE (Chinese Taipei) |
| TCH | Czechoslovakia | 1920 | 1992 | Split up in CZE () and SVK () |
| URS | USSR | 1952 | 1988 | |
| VOL | Upper Volta | 1972 | 1984 | Now BUR (Burkina Faso) |
| VNM | Vietnam | 1976 | Now VIE | |
| YAR | North Yemen | 1984 | 1988 | |
| YMD | South Yemen | 1988 | ||
| YUG | Yugoslavia | 1920 | 2002 | Now SRB (Serbia) |
| ZAI | Zaire | 1984 | 1996 | Now COD (Democratic Republic of the Congo) |
| Code | IOC designation | Used from | Used to | Notes |
|---|---|---|---|---|
| EUN | Unified Team | 1992 | Twelve former Soviet republics fielded a joint team the year after the Soviet Union was dissolved. | |
| IOA | Individual Olympic Athlete | 2000 | Individual athletes from East Timor competed under the Olympic Flag at the 2000 Games, during the United Nations Transitional Administration. This code may be used again in a situation where another sporting embargo necessitates. | |
| IOP | Independent Olympic Participant | 1992 | Individual athletes from the Federal Republic of Yugoslavia competed under the Olympic Flag in the 1992 Summer Games when the country was under a United Nations sporting embargo. This code may be used again in a situation where another sporting embargo necessitates. | |
| ZZX | Mixed team | 1896 | 1904 | Retrospectively applied to medal-winning teams of mixed nationality, which is now impossible since the advent of National Olympic Committees. |