| Nation |
Players1 |
Twins
|
 Argentina |
Erica Krauth and Vanesa Krauth (1981) |
*
|
 Australia |
Evie Dominikovic (1980) and Daniella Dominikovic (1987) |
|
| Anastasia Rodionova (1982) and Arina Rodionova (1989) |
|
 Austria |
Daniela Klemenschits and Sandra Klemenschits (1982) |
*
|
 Belgium |
Kim Clijsters (1983) and Elke Clijsters (1985) |
|
 Bulgaria |
Manuela Maleeva (1967) and Katerina Maleeva (1969) and Magdalena Maleeva (1975) |
|
 Chinese Taipei |
Hsieh Su-wei (1986) and Hsieh Shu-ying (1993) |
|
| Chan Yung-jan (1989) and Chan Hao-ching (1993) |
|
 Colombia |
María Paulina Pérez and Paula Andrea Pérez (1996) |
*
|
 Croatia |
Ivana Abramović (1983) and Maria Abramović (1987) |
|
 Czech Republic |
Jana Hlaváčková (1981) and Andrea Hlaváčková (1986) |
|
| Eva Birnerová (1984) and Hana Birnerová (1989) |
|
| Karolína Plíšková and Kristýna Plíšková (1992) |
*
|
 Finland |
Essi Laine (1984) and Emma Laine (1986) |
|
 Germany |
Edda Buding (1936) and Ilse Buding (1939) |
|
| Anca Barna (1977) and Adriana Barna (1978) |
|
| Sabine Klaschka (1980) and Carmen Klaschka (1987) |
|
 Guatemala |
Paulina Schippers (1991) and Daniela Schippers (1995) |
|
 Hungary |
Ágnes Szávay (1988) and Blanka Szávay (1993) |
|
 India |
Shikha Uberoi (1983) and Neha Uberoi (1986) |
|
| Ankita Bhambri (1986) and Sanaa Bhambri (1988) |
|
 Indonesia |
Sandy Gumulya (1986) and Beatrice Gumulya (1991) |
|
 Israel |
Julia Glushko (1990) and Lina Glushko (2000) |
|
 Italy |
Adriana Serra Zanetti (1976) and Antonella Serra Zanetti (1980) |
|
| Evelyn Mayr (1989) and Julia Mayr (1991) |
|
 Japan |
Junko Sawamatsu (1948) and Kazuko Sawamatsu (1951) |
|
| Akiko Kijimuta (1968) and Naoko Kijimuta (1972) |
|
| Tomoko Yonemura (1982) and Akiko Yonemura (1984) |
|
| Yurika Sema (1986) and Erika Sema (1988) |
|
| Mari Osaka (1996) and Naomi Osaka (1997) |
|
 Madagascar |
Dally Randriantefy (1977) and Natacha Randriantefy (1978) |
|
 New Zealand |
Paula Marama (1984) and Eden Marama (1986) |
|
 Philippines |
Anna Christine Patrimonio (1991) and Anna Clarice Patrimonio (1993) |
|
 Poland |
Aleksandra Rosolska (1984) and Alicja Rosolska (1985) |
|
| Agnieszka Radwańska (1989) and Urszula Radwańska (1990) |
|
 Romania |
Gabriela Niculescu (1986) and Monica Niculescu (1987) |
|
 Russia |
Olga Panova (1987) and Alexandra Panova (1989) |
|
 Slovakia |
Zuzana Kučová (1982) and Kristína Kučová (1990) |
|
| Anna Karolína Schmiedlová (1994) and Kristína Schmiedlová (1997) |
|
 Slovenia |
Maša Vesenjak and Urška Vesenjak (1982) |
*
|
 Switzerland |
Daniela Casanova (1984) and Myriam Casanova (1985) |
|
 Thailand |
Varatchaya Wongteanchai (1989) and Varunya Wongteanchai (1993) |
|
| Peangtarn Plipuech (1992) and Plobrung Plipuech (1997) |
|
 Turkey |
Lütfiye Esen (1988) and Hülya Esen (1989) |
|
 Ukraine |
Valeria Bondarenko (1982) and Alona Bondarenko (1984) and Kateryna Bondarenko (1986) |
|
| Lyudmyla Kichenok and Nadiia Kichenok (1992) |
*
|
| Elizaveta Ianchuk (1993) and Olga Ianchuk (1995) |
|
 United States |
Grace Roosevelt (1867) and Ellen Roosevelt (1868) |
|
| Juliette Atkinson (1873) and Kathleen Atkinson (1875) |
|
| Marion Jones (1879) and Georgina Jones (1882) |
|
| Florence Sutton (1883) and May Sutton (1886) |
|
| Pam Austin (1950) and Tracy Austin (1962) |
|
| Chris Evert (1954) and Jeanne Evert (1957) |
|
| Barbara Jordan (1957) and Kathy Jordan (1959) |
|
| Cynthia MacGregor (1964) and Cammy MacGregor (1968) |
|
| Tami Whitlinger and Teri Whitlinger (1968) |
*
|
| Venus Williams (1980) and Serena Williams (1981) |
|
| Carly Gullickson (1986) and Chelsey Gullickson (1990) |
|
