Each country has a three-letter abbreviation or code that is used during the Olympic Games to represent that country. The following is a list of the 202 National Olympic Committees that are recognized by the IOC. An asterisk (*) indicates a territory.

Afghanistan - AFG
Albania - ALB
Algeria - ALG
American Samoa* - ASA
Andorra - AND
Angola - ANG
Antigua and Barbuda - ANT
Argentina - ARG
Armenia - ARM
Aruba* - ARU
Australia - AUS
Austria - AUT
Azerbaijan - AZE
The Bahamas - BAH
Bahrain - BRN
Bangladesh - BAN
Barbados - BAR
Belarus - BLR
Belgium - BEL
Belize - BIZ
Bermuda* - BER
Benin - BEN
Bhutan - BHU
Bolivia - BOL
Bosnia and Herzegovina - BIH
Botswana - BOT
Brazil - BRA
British Virgin Islands* - IVB
Brunei - BRU
Bulgaria - BUL
Burkina Faso - BUR
Burundi - BDI
Cambodia - CAM
Cameroon - CMR
Canada - CAN
Cape Verde - CPV
Cayman Islands* - CAY
Central African Republic - CAF
Chad - CHA
Chile - CHI
China - CHN
Colombia - COL
Comoros - COM
Congo, Republic of the - CGO
Congo, Democratic Republic of the - COD
Cook Islands* - COK
Costa Rica - CRC
Cote d'Ivoire - CIV
Croatia - CRO
Cuba - CUB
Cyprus - CYP
Czech Republic - CZE
Denmark - DEN
Djibouti - DJI
Dominica - DMA
Dominican Republic - DOM
East Timor (Timor-Leste) - TLS
Ecuador - ECU
Egypt - EGY
El Salvador - ESA
Equatorial Guinea - GEQ
Eritrea - ERI
Estonia - EST
Ethiopia - ETH
Fiji - FIJ
Finland - FIN
France - FRA
Gabon - GAB
The Gambia - GAM
Georgia - GEO
Germany - GER
Ghana - GHA
Greece - GRE
Grenada - GRN
Guam* - GUM
Guatemala - GUA
Guinea - GUI
Guinea-Bissau - GBS
Guyana - GUY
Haiti - HAI
Honduras - HON
Hong Kong* - HKG
Hungary - HUN
Iceland - ISL
India - IND
Indonesia - INA
Iran - IRI
Iraq - IRQ
Ireland - IRL
Israel - ISR
Italy - ITA
Jamaica - JAM
Japan - JPN
Jordan - JOR
Kazakhstan - KAZ
Kenya - KEN
Korea, North (PDR of Korea) - PRK
Korea, South - KOR
Kuwait - KUW
Kyrgyzstan - KGZ
Laos - LAO
Latvia - LAT
Lebanon - LIB
Lesotho - LES
Liberia - LBR
Libya - LBA
Liechtenstein - LIE
Lithuania - LTU
Luxembourg - LUX
Macedonia - MKD
Madagascar - MAD
Malawi - MAW
Malaysia - MAS
Maldives - MDV
Mali - MLI
Malta - MLT
Mauritania - MTN
Mauritius - MRI
Mexico - MEX
Federated States of Micronesia - FSM
Moldova - MDA
Monaco - MON
Mongolia - MGL
Morocco - MAR
Mozambique - MOZ
Myanmar (Burma) - MYA
Namibia - NAM
Nauru - NRU
Nepal - NEP
Netherlands - NED
Netherlands Antilles* - AHO
New Zealand - NZL
Nicaragua - NCA
Niger - NIG
Nigeria - NGR
Norway - NOR
Oman - OMA
Pakistan - PAK
Palau - PLW
Palestine* - PLE
Panama - PAN
Papua New Guinea - PNG
Paraguay - PAR
Peru - PER
Philippines - PHI
Poland - POL
Portugal - POR
Puerto Rico* - PUR
Qatar - QAT
Romania - ROM
Russian Federation - RUS
Rwanda - RWA
Saint Kitts and Nevis - SKN
Saint Lucia - LCA
Saint Vincent and the Grenadines - VIN
Samoa - SAM
San Marino - SMR
Sao Tome and Principe - STP
Saudi Arabia - KSA
Senegal - SEN
Serbia and Montenegro - SCG
Seychelles - SEY
Sierra Leone - SLE
Singapore - SIN
Slovakia - SVK
Slovenia - SLO
Solomon Islands - SOL
Somalia - SOM
South Africa - RSA
Spain - ESP
Sri Lanka - SRI
Sudan - SUD
Suriname - SUR
Swaziland - SWZ
Sweden - SWE
Switzerland - SUI
Syria - SYR
Taiwan (Chinese Taipei) - TPE
Tajikistan - TJK
Tanzania - TAN
Thailand - THA
Togo - TOG
Tonga - TGA
Trinidad and Tobago - TRI
Tunisia - TUN
Turkey - TUR
Turkmenistan - TKM
Uganda - UGA
Ukraine - UKR
United Arab Emirates - UAE
United Kingdom (Great Britain) - GBR
United States - USA
Uruguay - URU
Uzbekistan - UZB
Vanuatu - VAN
Venezuela - VEN
Vietnam - VIE
Virgin Islands* - ISV
Yemen - YEM
Zambia - ZAM
Zimbabwe - ZIM