This is an all-time list of winners of the four Grand Slam men's and women's singles tennis tournaments, organized by country. The year of the first win in each tournament is shown in parentheses. Each player's first grand slam tournament win is shown in bold. The greatest number of wins in each country (in the total column) is shown in bold.

Grand Slam singles champions by country

[[argentina|🇦🇷]] Argentina

[[australia|🇦🇺]] Australia

[[austria|🇦🇹]] Austria

[[belarus|🇧🇾]] Belarus

[[belgium|🇧🇪]] Belgium

[[brazil|🇧🇷]] Brazil

[[canada|🇨🇦]] Canada

[[chile|🇨🇱]] Chile

[[china|🇨🇳]] China

[[croatia|🇭🇷]] Croatia

Czechoslovakia

[[czech republic|🇨🇿]] Czech Republic

[[denmark|🇩🇰]] Denmark

[[ecuador|🇪🇨]] Ecuador

[[egypt|🇪🇬]] Egypt

[[france|🇫🇷]] France

[[germany|🇩🇪]] Germany

[[hungary|🇭🇺]] Hungary

[[ireland|🇮🇪]] Ireland

[[italy|🇮🇹]] Italy

[[japan|🇯🇵]] Japan

[[kazakhstan|🇰🇿]] Kazakhstan

[[latvia|🇱🇻]] Latvia

[[mexico|🇲🇽]] Mexico

[[netherlands|🇳🇱]] Netherlands

[[new zealand|🇳🇿]] New Zealand

[[norway|🇳🇴]] Norway

[[poland|🇵🇱]] Poland

[[romania|🇷🇴]] Romania

[[russia|🇷🇺]] Russia

[[serbia|🇷🇸]] Serbia

[[south africa|🇿🇦]] South Africa

[[spain|🇪🇸]] Spain

[[sweden|🇸🇪]] Sweden

[[switzerland|🇨🇭]] Switzerland

[[united kingdom|🇬🇧]] United Kingdom

[[united states|🇺🇸]] United States

Yugoslavia

Total Grand Slam titles by country