| Code | Nation / IOC designation | First use | Notes |
|---|---|---|---|
| AFG | 1936 | ||
| AHO | Netherlands Antilles | 1960 | |
| ALB | Albania | 1972 | |
| ALG | 1964 | ||
| AND | 1976 | ||
| ANG | Angola | 1980 | |
| ANT | Antigua and Barbuda | 1976 | part of BWI ( |
| ARG | British West Indies | 1920 | |
| ARM | 1994 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| ARU | Aruba | 1988 | part of AHO ( Netherlands Antilles) 1960-1984 |
| ASA | 1988 | ||
| AUS | 1896 | current usage 1896-1904 part of ANZ ( current usage resumed 1920 | |
| AUT | Austria | 1896 | |
| AZE | 1996 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| BAH | 1952 | ||
| BAN | 1984 | ||
| BAR | 1968 | part of BWI ( | |
| BDI | Burundi | 1996 | |
| BEL | Belgium | 1900 | |
| BEN | 1980 | DAH (Dahomey) 1972 | |
| BER | 1936 | ||
| BHU | 1984 | ||
| BIH | Bosnia and Herzegovina | 1992 | part of YUG ( |
| BIZ | 1968 | HBR ( British Honduras) 1968-1972 | |
| BLR | 1994 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| BOL | 1936 | ||
| BOT | 1980 | ||
| BRA | Brazil | 1920 | |
| BRN | 1984 | ||
| BRU | Brunei Darussalam | 1988 | |
| BUL | Bulgaria | 1896 | |
| BUR | Burkina Faso | 1972 | VOL ( |
| CAF | 1968 | ||
| CAM | Cambodia | 1956 | |
| CAN | 1900 | ||
| CAY | 1976 | part of BWI ( | |
| CGO | 1964 | ||
| CHA | 1964 | ||
| CHI | 1896 | ||
| CHN | 1932 | Republic of China as " current usage began 1979 | |
| CIV | 1964 | ||
| CMR | 1964 | ||
| COD | 1968 | ZAI ( | |
| COK | 1988 | ||
| COL | 1932 | ||
| COM | Comoros | 1996 | |
| CPV | Cape Verde | 1996 | |
| CRC | 1936 | ||
| CRO | 1992 | part of YUG ( | |
| CUB | 1900 | ||
| CYP | 1980 | ||
| CZE | 1994 | BOH ( Bohemia) 1900-1912 part of TCH ( | |
| DEN | Denmark | 1896 | |
| DJI | Djibouti | 1984 | |
| DMA | 1996 | part of BWI ( | |
| DOM | 1964 | ||
| ECU | 1924 | ||
| EGY | 1912 | RAU ( United Arab Republic) 1960-1968 | |
| ERI | 2000 | part of ETH ( | |
| ESA | 1968 | ||
| ESP | 1900 | ||
| EST | 1924 | part of RUS ( Russia) 1900-1912 current usage 1924-1936 part of URS ( current usage resumed 1992 | |
| ETH | 1956 | ||
| FIJ | 1956 | ||
| FIN | 1908 | ||
| FRA | 1896 | ||
| FSM | Federated States of Micronesia | 2000 | |
| GAB | Gabon | 1972 | |
| GAM | 1984 | ||
| GBR | 1896 | "Great Britain and Ireland" 1896-1920 current usage began 1924 | |
| GBS | 1996 | ||
| GEO | 1994 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| GEQ | 1984 | ||
| GER | 1896 | current usage 1896-1936 listed as FRG ( separate team SAA ( listed as EUA ( United Team of Germany) 1956-1964 separate team GDR ( current usage resumed 1992 | |
| GHA | 1952 | ||
| GRE | 1896 | ||
| GRN | 1984 | part of BWI ( | |
| GUA | 1952 | ||
| GUI | 1968 | ||
| GUM | 1988 | ||
| GUY | Guyana | 1948 | |
| HAI | 1924 | ||
| HKG | 1952 | designated " | |
| HON | 1968 | ||
| HUN | Hungary | 1896 | |
| INA | 1952 | ||
| IND | India | 1900 | |
| IRI | 1948 | ||
| IRL | 1924 | part of "Great Britain and Ireland" 1896-1920 current usage began 1924 | |
| IRQ | 1948 | ||
| ISL | 1908 | ||
| ISR | Israel | 1952 | |
| ISV | 1968 | ||
| ITA | 1948 | ||
| IVB | 1984 | ||
| JAM | 1948 | current usage 1948-1956 part of BWI ( current usage resumed 1964 | |
| JOR | 1968 | ||
| JPN | 1912 | ||
| KAZ | 1994 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| KEN | Kenya | 1956 | |
| KGZ | 1994 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| KIR | 2004 | ||
| KOR | Republic of Korea | 1948 | |
| KSA | 1972 | ||
| KUW | Kuwait | 1968 | |
| LAO | 1980 | ||
| LAT | 1924 | part of RUS ( Russia) 1900-1912 current usage 1924-1936 part of URS ( current usage resumed 1992 | |
| LBA | 1964 | ||
| LBR | Liberia | 1956 | |
| LCA | 1996 | part of BWI ( | |
| LES | 1972 | ||
| LIB | 1948 | ||
| LIE | 1936 | ||
| LTU | 1924 | part of RUS ( Russia) 1900-1912 current usage 1924-1936 part of URS ( current usage resumed 1992 | |
| LUX | Luxembourg | 1908 | |
| MAD | 1964 | ||
| MAR | 1960 | ||
| MAS | Malaysia | 1992 | MAL ( Malaysia) 1964-1988 MAL ( |
| MAW | Malawi | 1972 | |
| MDA | 1994 | part of RUS ( Russia) 1900-1912 part of ROM ( Romania) 1920-1936 part of URS ( part of EUN (Unified Team) 1992 | |
| MDV | 1988 | ||
| MEX | Mexico | 1924 | |
| MGL | Mongolia | 1964 | |
| MHL | Marshall Islands | 2008 | |
| MKD | 1996 | part of YUG ( | |
| MLI | Mali | 1964 | |
| MLT | 1928 | ||
| MNE | 2008 | part of YUG ( individuals as IOP (Independent Olympic Participants) 1992 (Summer) part of YUG ( part of SCG ( | |
| MON | 1920 | ||
| MOZ | 1980 | ||
| MRI | 1984 | ||
| MTN | Mauritania | 1984 | |
| MYA | 1992 | BIR (Burma) 1948-1988 | |
| NAM | 1992 | ||
| NCA | 1968 | ||
| NED | Netherlands | 1900 | HOL (Holland) 1900-1988 |
| NEP | Nepal | 1964 | |
| NGR | 1952 | ||
| NIG | 1968 | ||
| NOR | 1900 | ||
| NRU | 1996 | ||
| NZL | New Zealand | 1920 | part of ANZ ( |
| OMA | 1984 | ||
| PAK | Pakistan | 1948 | |
| PAN | Panama | 1928 | |
| PAR | 1964 | ||
| PER | 1936 | ||
| PHI | 1924 | ||
| PLE | 1996 | ||
| PLW | 2000 | ||
| PNG | 1976 | ||
| POL | 1924 | ||
| POR | 1912 | ||
| PRK | 1972 | ||
| PUR | 1948 | ||
| QAT | 1984 | ||
| ROU | Romania | 1924 | Code changed from ROM to ROU in January 2007 |
| RSA | 1992 | SAF ( | |
| RUS | 1900 | Designated "Russian Empire" 1900-1912 replaced by URS ( part of EUN (Unified Team) 1992 current usage began 1994 | |
| RWA | 1984 | ||
| SAM | 1984 | "Western Samoa" 1984-1996 | |
| SEN | Senegal | 1964 | |
| SEY | 1980 | ||
| SIN | 1948 | current usage 1948-1960 part of MAL ( Malaysia) 1964 current usage resumed 1968 | |
| SKN | Saint Kitts and Nevis | 1996 | part of BWI ( |
| SLE | Sierra Leone | 1968 | |
| SLO | Slovenia | 1992 | part of YUG ( |
| SMR | 1960 | ||
| SOL | Solomon Islands | 1984 | |
| SOM | 1972 | ||
| SRB | Serbia | 1912 | part of YUG ( individuals as IOP (Independent Olympic Participants) 1992 (Summer) part of YUG ( part of SCG ( usage to be resumed 2008 |
| SRI | 1948 | ||
| STP | 1996 | ||
| SUD | 1960 | ||
| SUI | Switzerland | 1900 | |
| SUR | 1968 | ||
| SVK | Slovakia | 1994 | part of TCH ( |
| SWE | 1896 | ||
| SWZ | 1900 | ||
| SYR | 1948 | ||
| TAN | 1964 | ||
| TGA | 1984 | ||
| THA | 1952 | ||
| TJK | 1996 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| TKM | 1996 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| TLS | 2004 | IOA (Individual Olympic Athletes) 2000 | |
| TOG | 1972 | ||
| TPE | 1984 | as " as " as " current usage began 1984 | |
| TRI | Trinidad and Tobago | 1948 | current usage 1948-1956 part of BWI ( current usage resumed 1964 |
| TUN | 1960 | ||
| TUR | 1908 | ||
| TUV | 2008 | ||
| UAE | 1984 | ||
| UGA | 1956 | ||
| UKR | 1994 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| URU | Uruguay | 1924 | |
| USA | 1896 | ||
| UZB | 1994 | part of RUS ( Russia) 1900-1912 part of URS ( part of EUN (Unified Team) 1992 | |
| VAN | 1988 | ||
| VEN | Venezuela | 1948 | |
| VIE | 1952 | ||
| VIN | 1988 | part of BWI ( | |
| YEM | Yemen | 1992 | |
| ZAM | 1968 | part of RHO (Rhodesia) 1928-1960 RHN (Northern Rhodesia) 1964 | |
| ZIM | 1980 | part of RHO (Rhodesia) 1928-1960 RHS (Southern Rhodesia) 1964 | |
| Code | IOC designation | Used from | Used to | Notes |
|---|---|---|---|---|
| ANZ | 1908 | 1912 | Combined Australia and New Zealand team | |
| BIR | 1948 | 1988 | Now MYA (Myanmar) | |
| BOH | Bohemia | 1900 | 1912 | Now CZE (Czech Republic) |
| BOR | 1952 | |||
| BWI | 1960 | |||
| CEY | British West Indies Federation | 1948 | 1972 | Now SRI (Sri Lanka) |
| DAH | 1972 | Now BEN (Benin) | ||
| EUA | Germany | 1956 | 1964 | GER used then, EUA applied in hindsight |
| FRG | 1980 | 1988 | Now GER again as GDR states had acceded the Federal Republic of Germany | |
| GDR | 1968 | 1988 | Ceased to exist, states joined Federal Republic of Germany | |
| HBR | British Honduras | 1968 | 1972 | Now BIZ (Belize) |
| HOL | Holland | 1900 | 1988 | Changed to NED at 1992 Games |
| IHO | 1952 | Now INA (Indonesia) | ||
| IRN | Iran | 1948 | 1976 | Now IRI |
| KHM | Khmer Republic | 1972 | Now CAM (Cambodia) | |
| KIT | 1896 | 1936 | Now ITA | |
| LIT | 1992 | Now LTU | ||
| MAL | Malaysia | 1956 | 1992 | Used 1956-1960 for |
| NGU | 1980 | 1984 | Now PNG | |
| NGY | 1976 | Changed to NGU; now PNG | ||
| RAU | United Arab Republic | 1960 | 1968 | Now EGY (Egypt) |
| RHN | 1964 | Now ZAM (Zambia) | ||
| RHO | 1928 | 1960 | ||
| RHS | 1964 | Now ZIM (Zimbabwe) | ||
| ROC | 1968 | 1976 | Now TPE (Chinese Taipei) | |
| ROM | Romania | 1924 | 2006 | Now ROU |
| SAA | 1952 | Joined Federal Republic of Germany after 1955 | ||
| SAF | 1904 | 1960 | Returned as RSA (Republic of South Africa) in 1992 | |
| SAU | 1984 | Now KSA | ||
| SCG | 2004 | 2006 | part of YUG ( individuals as IOP (Independent Olympic Participants) 1992 competed as YUG ( | |
| SER | Serbia | 1912 | 1918 | then part of YUG ( individuals as IOP (Independent Olympic Participants) 1992 competed as YUG ( |
| TAI | 1960 | 1964 | Now TPE (Chinese Taipei) | |
| TCH | 1920 | 1992 | Split up in CZE ( | |
| URS | 1952 | 1988 | ||
| VOL | 1972 | 1984 | Now BUR (Burkina Faso) | |
| VNM | 1976 | Now VIE | ||
| YAR | 1984 | 1988 | ||
| YMD | 1988 | |||
| YUG | 1920 | 1992 | Now BIH, CRO, MNE, MKD, SLO, SRB | |
| ZAI | 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, currently not permitted since the advent of National Olympic Committees. |
| Sports • • NOCs Medalists • Symbols | ||
| Summer Games: 1896, 1900, 1904, 1906, 1908, 1912, (1916), 1920, 1924, 1928, 1932, 1936, (1940), (1944),, 1948, 1952, 1956, 1960, 1964, 1968, 1972, 1976, 1980, 1984, 1988, 1992, 1996, 2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028 | ||
| Winter Games: 1924, 1928, 1932, 1936, (1940), (1944), 1948, 1952, 1956, 1960, 1964, 1968, 1972, 1976, 1980, 1984, 1988, 1992, 1994, 1998, 2002, 2006, 2010, 2014, 2018, 2022 | ||
| Athens 2004 — Turin 2006 — Beijing 2008 — Vancouver 2010 — London 2012 — ''Sochi 2014 | ||