Countries whose ISO and IOC 3-letter codes differ

List all the countries whose ISO 3166-1 alpha3 and IOC (International Olympic Committee) 3-letter codes differ.
Source of both lists: https://www.worlddata.info/countrycodes.php
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Last updated: March 31, 2026
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First submittedMarch 30, 2026
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Average score75.6%
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Country Name
ISO code
IOC code
Mauritania
MRT
MTN
Paraguay
PRY
PAR
Burkina Faso
BFA
BUR
Nicaragua
NIC
NCA
Bhutan
BTN
BHU
Grenada
GRD
GRN
Niger
NER
NIG
Latvia
LVA
LAT
Honduras
HND
HON
Sri Lanka
LKA
SRI
Portugal
PRT
POR
Saudi Arabia
SAU
KSA
Seychelles
SYC
SEY
Solomon Islands
SLB
SOL
Equatorial Guinea
GNQ
GEQ
Tonga
TON
TGA
Switzerland
CHE
SUI
Algeria
DZA
ALG
South Africa
ZAF
RSA
Fiji
FJI
FIJ
Costa Rica
CRI
CRC
Lesotho
LSO
LES
Gambia
GMB
GAM
Vietnam
VNM
VIE
Haiti
HTI
HAI
Oman
OMN
OMA
Barbados
BRB
BAR
Mauritius
MUS
MRI
Guinea
GIN
GUI
Madagascar
MDG
MAD
Netherlands
NLD
NED
United Arab Emirates
ARE
UAE
Taiwan
TWN
TPE
Kosovo
XXK
KOS
Denmark
DNK
DEN
Cambodia
KHM
CAM
Germany
DEU
GER
Vatican City
VAT
no code
Saint Vincent and the Grenadines
VCT
VIN
South Sudan
SSD
no code
Botswana
BWA
BOT
Vanuatu
VUT
VAN
Zimbabwe
ZWE
ZIM
Chad
TCD
CHA
Uruguay
URY
URU
Guinea-Bissau
GNB
GBS
Antigua and Barbuda
ATG
ANT
Zambia
ZMB
ZAM
Nigeria
NGA
NGR
Myanmar
MMR
MYA
Sudan
SDN
SUD
Malawi
MWI
MAW
Bangladesh
BGD
BAN
Belize
BLZ
BIZ
Iran
IRN
IRI
Philippines
PHL
PHI
Libya
LBY
LBA
Bulgaria
BGR
BUL
Mongolia
MNG
MGL
Samoa
WSM
SAM
Chile
CHL
CHI
Angola
AGO
ANG
Brunei
BRN
BRU
Bahrain
BHR
BRN
Togo
TGO
TOG
El Salvador
SLV
ESA
Indonesia
IDN
INA
Croatia
HRV
CRO
Guatemala
GTM
GUA
Kuwait
KWT
KUW
Malaysia
MYS
MAS
Slovenia
SVN
SLO
Bahamas
BHS
BAH
Saint Kitts and Nevis
KNA
SKN
Tanzania
TZA
TAN
Nepal
NPL
NEP
Greece
GRC
GRE
Republic of the Congo
COG
CGO
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