Kosei Hamaguchi (濱口 功聖, Hamaguchi Kosei, born 11 April 1998) is a Japanese footballer currently playing as a defender for Kagoshima United.
Africa (CAF)
Albania
Algeria
Andorra
Argentina
Armenia
Asia (AFC)
Australia
Austria
Azerbaijan
Bahrain
Belarus
Belgium
Bolivia
Bosnia And Herzegovina
Botswana
Brazil
Bulgaria
Burkina Faso
Canada
Chile
China
Colombia
Costa Rica
Croatia
Cyprus
Czech Republic
Denmark
EL Salvador
Ecuador
Egypt
England
Estonia
Europe (UEFA)
Faroe Islands
Finland
France
Friendly Games
Georgia
Germany
Ghana
Gibraltar
Greece
Guatemala
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Israel
Italy
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Latvia
Lithuania
Luxembourg
Malaysia
Malta
Mexico
Moldova
Montenegro
Morocco
Netherlands
Nigeria
Northern Ireland
Norway
Oman
Paraguay
Peru
Poland
Portugal
Qatar
Republic Of Ireland
Romania
Russia
San Marino
Saudi Arabia
Scotland
Serbia
Singapore
Slovakia
Slovenia
South Africa
South America (Conmebol)
South Korea
Spain
Sweden
Switzerland
Tanzania
Thailand
Tunisia
Turkey
USA
Ukraine
United Arab Emirates
Uruguay
Uzbekistan
Venezuela
Vietnam
Wales
Cherkasi 
Shakhtar Donetsk 
Spartak Moscow 
FK Makhachkala 
Nimes 
Bordeaux 
VFL Wolfsburg 
RB Leipzig 
Udinese 
AC Milan 
Valencia 
Sevilla 
Orenburg 
CSKA Moscow 
Kryvbas Kryvyi Rih 
Dynamo Kyiv 
Manchester City 
Crystal Palace 
Celtic 
Kilmarnock 
Bayer Leverkusen 
Union Berlin 
Brighton 
Leicester 
Nottingham Forest 
Everton 
Rubin 
Lokomotiv Moscow 
Fortuna Sittard 
Feyenoord 
Monaco 
Marseille 
Sampdoria 
Cittadella 
ST Malo 
Inter 
Cagliari 
Arsenal 
Brentford 
Bayern Munich 
Borussia Dortmund 
Celta Vigo 
Espanyol 
Ajaccio 
PSV 
Almere City FC 
Juventus 
Lecce 
Leganes 
Barcelona 
Casa Pia 
FC Porto 
Aberdeen 
Rangers 
Heracles 
AZ Alkmaar 
Chelsea 
Ipswich