This is a comparison of the IOC, FIFA, and ISO 3166-1 three-letter codes, combined into one table for easy reference. Highlighted rows indicate those entries in which the three-letter codes differ from column to column. The last column indicates the number of codes present followed by letters to indicate which codes are present (O for Olympic, F for FIFA, and I for ISO) and dashes when a code is absent; capital letters indicate codes which match; lower case letters indicate codes which differ. [1]
Currently, the only ambiguous trigraph between IOC, FIFA and ISO codes is:
Historically, ambiguous trigraphs include:
In the following cases, a code for a historical country or territory matches a modern code of the country it merged into:
Including other lists of country three-letter-codes increases the number of ambiguities. For example:
This list only includes nations or territories that have been assigned at least one of these three types of country codes. For a more complete list of countries, see list of countries.
| Flag | Country | IOC | FIFA | ISO | * |
|---|---|---|---|---|---|
| | Afghanistan | AFG | AFG | AFG | 3OFI |
| | Åland | ALA | 1--ï | ||
| | Albania | ALB | ALB | ALB | 3OFI |
| | Algeria | ALG | ALG | DZA | 3OFï |
| | American Samoa [2] | ASA | ASA | ASM | 3OFï |
| | Andorra | AND | AND | AND | 3OFI |
| | Angola | ANG | ANG | AGO | 3OFï |
| | Anguilla | AIA | AIA | 2-FI | |
| | Antarctica | ATA | 1--ï | ||
| | Antigua and Barbuda | ANT | ATG | ATG | 3öFI |
| | Argentina | ARG | ARG | ARG | 3OFI |
| | Armenia | ARM | ARM | ARM | 3OFI |
| | Aruba | ARU | ARU | ABW | 3OFï |
| | Australia | AUS | AUS | AUS | 3OFI |
| | Austria | AUT | AUT | AUT | 3OFI |
| | Azerbaijan | AZE | AZE | AZE | 3OFI |
| | The Bahamas | BAH | BAH | BHS | 3OFï |
| | Bahrain | BRN | BHR | BHR | 3öFI |
| | Bangladesh | BAN | BAN | BGD | 3OFï |
| | Barbados | BAR | BRB | BRB | 3öFI |
| | Belarus | BLR | BLR | BLR | 3OFI |
| | Belgium | BEL | BEL | BEL | 3OFI |
| | Belize | BIZ | BLZ | BLZ | 3öFI |
| | Benin | BEN | BEN | BEN | 3OFI |
| | Bermuda | BER | BER | BMU | 3OFï |
| | Bhutan | BHU | BHU | BTN | 3OFï |
| | Bolivia | BOL | BOL | BOL | 3OFI |
| | Caribbean Netherlands: Bonaire, Sint Eustatius and Saba | BES | 1--ï | ||
| | Bosnia and Herzegovina | BIH | BIH | BIH | 3OFI |
| | Botswana | BOT | BOT | BWA | 3OFï |
| | Bouvet Island | BVT | 1--ï | ||
| | Brazil | BRA | BRA | BRA | 3OFI |
| | British Indian Ocean Territory | IOT | 1--ï | ||
| | British Virgin Islands [3] | IVB | VGB | VGB | 3öFI |
| | Brunei | BRU | BRU | BRN | 3OFï |
| | Bulgaria | BUL | BUL | BGR | 3OFï |
| | Burkina Faso | BUR | BFA | BFA | 3öFI |
| | Burundi | BDI | BDI | BDI | 3OFI |
| | Cambodia | CAM | CAM | KHM | 3OFï |
| | Cameroon | CMR | CMR | CMR | 3OFI |
| | Canada | CAN | CAN | CAN | 3OFI |
| | Cape Verde | CPV | CPV | CPV | 3OFI |
| | Cayman Islands | CAY | CAY | CYM | 3OFï |
| | Central African Republic | CAF | CTA | CAF | 3OƒI |
| | Chad | CHA | CHA | TCD | 3OFï |
| | Chile | CHI | CHI | CHL | 3OFï |
| | China, People's Republic of [4] | CHN | CHN | CHN | 3OFI |
| | Christmas Island | CXR | 1--ï | ||
| | Cocos (Keeling) Islands | CCK | 1--ï | ||
| | Colombia | COL | COL | COL | 3OFI |
| | Comoros | COM | COM | COM | 3OFI |
| | Congo, Democratic Republic of the [5] | COD | COD | COD | 3OFI |
| | Congo, Republic of the [6] | CGO | CGO | COG | 3OFï |
| | Cook Islands | COK | COK | COK | 3OFI |
| | Costa Rica | CRC | CRC | CRI | 3OFï |
| | Côte d'Ivoire [7] | CIV | CIV | CIV | 3OFI |
| | Croatia | CRO | CRO | HRV | 3OFï |
| | Cuba | CUB | CUB | CUB | 3OFI |
| | Curaçao | CUW | CUW | 2-FI | |
| | Cyprus | CYP | CYP | CYP | 3OFI |
| | Czech Republic | CZE | CZE | CZE | 3OFI |
| | Denmark | DEN | DEN | DNK | 3OFï |
| | Djibouti | DJI | DJI | DJI | 3OFI |
| | Dominica | DMA | DMA | DMA | 3OFI |
| | Dominican Republic | DOM | DOM | DOM | 3OFI |
| | Ecuador | ECU | ECU | ECU | 3OFI |
| | Egypt | EGY | EGY | EGY | 3OFI |
| | El Salvador | ESA | SLV | SLV | 3öFI |
| | England | ENG | [8] | 1-ƒ- | |
| | Equatorial Guinea | GEQ | EQG | GNQ | 3öƒï |
| | Eritrea | ERI | ERI | ERI | 3OFI |
| | Estonia | EST | EST | EST | 3OFI |
| | Eswatini | SWZ | SWZ | SWZ | 3OFI |
| | Ethiopia | ETH | ETH | ETH | 3OFI |
| | Falkland Islands | FLK | 1--ï | ||
| | Faroe Islands | [9] | FRO | FRO | 2-FI |
| | Fiji | FIJ | FIJ | FJI | 3OFï |
| | Finland | FIN | FIN | FIN | 3OFI |
| | France | FRA | FRA | FRA | 3OFI |
| | French Guiana | GUF | 1--ï | ||
| | French Polynesia [10] | TAH | PYF | 2-ĕ | |
| | French Southern and Antarctic Lands | ATF | 1--ï | ||
| | Gabon | GAB | GAB | GAB | 3OFI |
| | The Gambia | GAM | GAM | GMB | 3OFï |
| | Georgia | GEO | GEO | GEO | 3OFI |
| | Germany | GER | GER | DEU | 3OFï |
| | Ghana | GHA | GHA | GHA | 3OFI |
| | Gibraltar | GIB | GIB | 2-FI | |
| | Greece | GRE | GRE | GRC | 3OFï |
| | Greenland | GRL | 1--ï | ||
| | Grenada | GRN | GRN | GRD | 3OFï |
| | Guadeloupe | GLP | 1--ï | ||
| | Guam | GUM | GUM | GUM | 3OFI |
| | Guatemala | GUA | GUA | GTM | 3OFï |
| | Guernsey | GGY | 1--ï | ||
| | Guinea | GUI | GUI | GIN | 3OFï |
| | Guinea-Bissau | GBS | GNB | GNB | 3öFI |
| | Guyana | GUY | GUY | GUY | 3OFI |
| | Haiti | HAI | HAI | HTI | 3OFï |
| | Heard Island and McDonald Islands | HMD | 1--ï | ||
| | Honduras | HON | HON | HND | 3OFï |
| | Hong Kong [11] | HKG | HKG | HKG | 3OFI |
| | Hungary | HUN | HUN | HUN | 3OFI |
| | Iceland | ISL | ISL | ISL | 3OFI |
| | India | IND | IND | IND | 3OFI |
| | Indonesia | INA | IDN | IDN | 3öFI |
| | Iran | IRI | IRN | IRN | 3öFI |
| | Iraq | IRQ | IRQ | IRQ | 3OFI |
| | Ireland [12] | IRL | IRL | IRL | 3OFI |
| | Isle of Man | IMN | 1--ï | ||
| | Israel | ISR | ISR | ISR | 3OFI |
| | Italy | ITA | ITA | ITA | 3OFI |
| | Jamaica | JAM | JAM | JAM | 3OFI |
| | Japan | JPN | JPN | JPN | 3OFI |
| | Jersey | JEY | 1--ï | ||
| | Jordan | JOR | JOR | JOR | 3OFI |
| | Kazakhstan | KAZ | KAZ | KAZ | 3OFI |
| | Kenya | KEN | KEN | KEN | 3OFI |
| | Kiribati | KIR | KIR | 2O-I | |
| | Korea, Democratic People's Rep. (North) [13] | PRK | PRK | PRK | 3OFI |
| | Korea, Republic of (South) [14] | KOR | KOR | KOR | 3OFI |
| | Kosovo | KOS | KOS | [15] | 2OF- |
| | Kuwait | KUW | KUW | KWT | 3OFï |
| | Kyrgyzstan | KGZ | KGZ | KGZ | 3OFI |
| | Laos | LAO | LAO | LAO | 3OFI |
| | Latvia | LAT | LVA | LVA | 3öFI |
| | Lebanon | LBN | LBN | LBN | 3OFI |
| | Lesotho | LES | LES | LSO | 3OFï |
| | Liberia | LBR | LBR | LBR | 3OFI |
| | Libya | LBA | LBY | LBY | 3öFI |
| | Liechtenstein | LIE | LIE | LIE | 3OFI |
| | Lithuania | LTU | LTU | LTU | 3OFI |
| | Luxembourg | LUX | LUX | LUX | 3OFI |
| | Macau | [16] | MAC | MAC | 2-FI |
| | Madagascar | MAD | MAD | MDG | 3OFï |
| | Malawi | MAW | MWI | MWI | 3öFI |
| | Malaysia | MAS | MAS | MYS | 3OFï |
| | Maldives | MDV | MDV | MDV | 3OFI |
| | Mali | MLI | MLI | MLI | 3OFI |
| | Malta | MLT | MLT | MLT | 3OFI |
| | Marshall Islands | MHL | MHL | 2O-I | |
| | Martinique | MTQ | 1--ï | ||
| | Mauritania | MTN | MTN | MRT | 3OFï |
| | Mauritius | MRI | MRI | MUS | 3OFï |
| | Mayotte | MYT | 1--ï | ||
| | Mexico | MEX | MEX | MEX | 3OFI |
| | Micronesia, Federated States of | FSM | FSM | 2O-I | |
| | Moldova | MDA | MDA | MDA | 3OFI |
| | Monaco | MON | MCO | 2ö-ï | |
| | Mongolia | MGL | MNG | MNG | 3öFI |
| | Montenegro | MNE | MNE | MNE | 3OFI |
| | Montserrat | MSR | MSR | 2-FI | |
| | Morocco | MAR | MAR | MAR | 3OFI |
| | Mozambique | MOZ | MOZ | MOZ | 3OFI |
| | Myanmar | MYA | MYA | MMR | 3OFï |
| | Namibia | NAM | NAM | NAM | 3OFI |
| | Nauru | NRU | NRU | 2O-I | |
| | Nepal | NEP | NEP | NPL | 3OFï |
| | Netherlands | NED | NED | NLD | 3OFï |
| | New Caledonia | NCL | NCL | 2-FI | |
| | New Zealand | NZL | NZL | NZL | 3OFI |
| | Nicaragua | NCA | NCA | NIC | 3OFï |
| | Niger | NIG | NIG | NER | 3OFï |
| | Nigeria | NGR | NGA | NGA | 3öFI |
| | Niue | NIU | NIU | 1--ï | |
| | Norfolk Island | NFK | 1--ï | ||
| | Northern Ireland | NIR | [8] | 1-ƒ- | |
| | Northern Mariana Islands | MNP | 1--ï | ||
| | North Macedonia [18] | MKD | MKD | MKD | 3OFI |
| | Norway | NOR | NOR | NOR | 3OFI |
| | Oman | OMA | OMA | OMN | 3OFï |
| | Pakistan | PAK | PAK | PAK | 3OFI |
| | Palau | PLW | PLW | 2O-I | |
| | Palestine | PLE | PLE | PSE | 3OFï |
| | Panama | PAN | PAN | PAN | 3OFI |
| | Papua New Guinea | PNG | PNG | PNG | 3OFI |
| | Paraguay | PAR | PAR | PRY | 3OFï |
| | Peru | PER | PER | PER | 3OFI |
| | Philippines | PHI | PHI | PHL | 3OFï |
| | Pitcairn Islands | PCN | 1--ï | ||
| | Poland | POL | POL | POL | 3OFI |
| | Portugal | POR | POR | PRT | 3OFï |
| | Puerto Rico | PUR | PUR | PRI | 3OFï |
| | Qatar | QAT | QAT | QAT | 3OFI |
| | Réunion | REU | 1--ï | ||
| | Romania | ROU | ROU | ROU | 3OFI |
| | Russian Federation | RUS | RUS | RUS | 3OFI |
| | Rwanda | RWA | RWA | RWA | 3OFI |
| | Saint Barthélemy | BLM | 1--ï | ||
| | Saint Helena, Ascension and Tristan da Cunha | SHN | 1--ï | ||
| | Saint Kitts and Nevis | SKN | SKN | KNA | 3OFï |
| | Saint Lucia | LCA | LCA | LCA | 3OFI |
| | Saint Martin (French part) | MAF | 1--ï | ||
| | Saint Pierre and Miquelon | SPM | 1--ï | ||
| | Saint Vincent and the Grenadines | VIN | VIN | VCT | 3OFï |
| | Samoa [2] | SAM | SAM | WSM | 3OFï |
| | San Marino | SMR | SMR | SMR | 3OFI |
| | São Tomé and Príncipe | STP | STP | STP | 3OFI |
| | Saudi Arabia | KSA | KSA | SAU | 3OFï |
| | Scotland | SCO | [8] | 1-ƒ- | |
| | Senegal | SEN | SEN | SEN | 3OFI |
| | Serbia | SRB | SRB | SRB | 3OFI |
| | Seychelles | SEY | SEY | SYC | 3OFï |
| | Sierra Leone | SLE | SLE | SLE | 3OFI |
| | Singapore | SGP | SGP | SGP | 3OFI |
| | Sint Maarten (Dutch part) | SXM | 1--ï | ||
| | Slovakia | SVK | SVK | SVK | 3OFI |
| | Slovenia | SLO | SVN | SVN | 3öFI |
| | Solomon Islands | SOL | SOL | SLB | 3OFï |
| | Somalia | SOM | SOM | SOM | 3OFI |
| | South Africa | RSA | RSA | ZAF | 3OFï |
| | South Georgia and the South Sandwich Islands | SGS | 1--ï | ||
| | South Sudan | SSD | SSD | SSD | 3OFI |
| | Spain | ESP | ESP | ESP | 3OFI |
| | Sri Lanka | SRI | SRI | LKA | 3OFï |
| | Sudan | SUD | SDN | SDN | 3öFI |
| | Suriname | SUR | SUR | SUR | 3OFI |
| | Svalbard and Jan Mayen | SJM | 1--ï | ||
| | Sweden | SWE | SWE | SWE | 3OFI |
| | Switzerland | SUI | SUI | CHE | 3OFï |
| | Syria | SYR | SYR | SYR | 3OFI |
| | Taiwan [19] | TPE | TPE | TWN | 3OFï |
| | Tajikistan | TJK | TJK | TJK | 3OFI |
| | Tanzania | TAN | TAN | TZA | 3OFï |
| | Thailand | THA | THA | THA | 3OFI |
| | Timor-Leste [20] | TLS | TLS | TLS | 3OFI |
| | Togo | TOG | TOG | TGO | 3OFï |
| | Tokelau | TKL | 1--ï | ||
| | Tonga | TGA | TGA | TON | 3OFï |
| | Trinidad and Tobago | TTO | TRI | TTO | 3OƒI |
| | Tunisia | TUN | TUN | TUN | 3OFI |
| | Turkey | TUR | TUR | TUR | 3OFI |
| | Turkmenistan | TKM | TKM | TKM | 3OFI |
| | Turks and Caicos Islands | TCA | TCA | 2-FI | |
| | Tuvalu | TUV | TUV | 2O-I | |
| | Uganda | UGA | UGA | UGA | 3OFI |
| | Ukraine | UKR | UKR | UKR | 3OFI |
| | United Arab Emirates | UAE | UAE | ARE | 3OFï |
| | United Kingdom [21] | GBR | GBR | 2O-I | |
| | United States | USA | USA | USA | 3OFI |
| | United States Minor Outlying Islands | UMI | 1--ï | ||
| | United States Virgin Islands [22] | ISV | VIR | VIR | 3öFI |
| | Uruguay | URU | URU | URY | 3OFï |
| | Uzbekistan | UZB | UZB | UZB | 3OFI |
| | Vanuatu | VAN | VAN | VUT | 3OFï |
| | Vatican City State | VAT | VAT | 1--ï | |
| | Venezuela | VEN | VEN | VEN | 3OFI |
| | Vietnam | VIE | VIE | VNM | 3OFï |
| | Wales | WAL | [8] | 1-ƒ- | |
| | Wallis and Futuna | WLF | 1--ï | ||
| | Western Sahara | ESH | 1--ï | ||
| | Yemen | YEM | YEM | YEM | 3OFI |
| | Zambia | ZAM | ZAM | ZMB | 3OFï |
| | Zimbabwe | ZIM | ZIM | ZWE | 3OFï |
| * | Explanation of comparison codes in the final column:
|
Codes are shown with their last year of use.
| Flag | Country | IOC | FIFA | ISO |
|---|---|---|---|---|
| | British Honduras | HBR 1972 | BHO | |
| | Burma | BIR 1988 | BUR 1989 | BUR 1989 |
| | Ceylon | CEY 1972 | CEY 1972 | |
| | Dahomey | DAH 1972 | DAH 1975 | DHY 1977 |
| | Czechoslovakia | TCH 1992 | TCH 1993 | CSK 1993 |
| | East Germany | GDR 1988 | GDR 1990 | DDR 1990 |
| | Khmer Republic | KHM 1976 | CAM current | KHM 1975 |
| | Kosovo | KOS current | KVX 2022 | |
| | Lebanon | LIB 2016 | LIB 2020 | LBN current |
| | Malaya | MAL 1960 | MAL 1963 | |
| | Netherlands | HOL 1988 | HOL 19?? | NLD current |
| | Netherlands Antilles | AHO 2010 | ANT 2010 | ANT 2010 |
| | North Borneo | NBO 1956 | NBO 1963 | |
| | North Yemen | YAR 1988 | NYE 1990 | YEM 1990 |
| | Northern Rhodesia | NRH 1964 | NRH 1964 | |
| | Rhodesia | RHO 1972 | RHO 1980 | RHO 1980 |
| | Romania | ROM 2006 | ROM 2005 | ROM 2002 |
| | Saarland | SAA 1952 | SAA 1956 | |
| | Serbia and Montenegro | SCG 2006 | SCG 2006 | SCG 2006 |
| | Singapore | SIN 2016 | SIN 2022 | SGP current |
| | South Yemen | YMD 1988 | SYE 1990 | YMD 1990 |
| | Soviet Union | URS 1988 | URS 1991 | SUN 1992 |
| | Sudan | SUD current | SUD 2012 | SDN current |
| | Trinidad and Tobago | TRI 2012 | TRI current | TTO current |
| | United Arab Republic | UAR 1968 | UAR 1971 | |
| | Upper Volta | VOL 1984 | UPV 1984 | HVO 1984 |
| | Viet Nam, Democratic Republic of | n.a. | VNO 1975 | VDR 1977 |
| | Viet Nam, Republic of | VNM 1976 | VSO 1975 | VNM 1977 |
| | West Germany | FRG 1988 | FRG 1990 | DEU 1990 |
| | Western Samoa | SAM 1996 | WSM 1997 | WSM 1997 |
| | Yugoslavia, Federal Republic of | YUG 2002 | YUG 2003 | YUG 2003 |
| | Yugoslavia, Socialist Federal Republic of | YUG 1992 | YUG 1992 | YUG 1992 |
| | Zaire | ZAI 1996 | ZAI 1997 | ZAR 1997 |