Tenis J ile başlayan oyuncular
- Jeong Bo Young/Kim Yujin
- Jelena Cvijanovic
- Jacksonville State Gamecocks
- Jonavos SK
- Julie Adele Bedard/Emily Meng
- JD Gaming
- Joshua Goodger/Michael Shaw
- Joel Schwaerzler
- Jordan Chiu
- Justin Engel/Atakan Karahan
- Joao Eduardo Schiessl/Louis Tessa
- Julie Belgraver/Holly Hutchinson
- Julian DeSousa/Stijn Pel
- Jaiani/Kalluri
- Josy Daems
- Jennifer Rosa Dourado/Elizaveta Gurianova
- Joao Eduardo Schiessl
- Justin Engel
- John Sperle/Marlon Vankan
- Justin Thomas
- Joost Luiten
- Jason Scrivener
- Johannes Veerman
- Jesper Svensson
- Jordan Smith
- Julia Victoria Rennert
- Jack Karlsson Wistrand
- Jiri Barnat
- Jang/Coppez
- Julie Armingol
- Jong/Rottgering
- Jordan Chiu/Daniel De Jonge
- Jennifer Ruggeri/Clara Vlasselaer
- Jecan/Chirita
- Johnson/Mansouri
- Jose Rubin Statham
- Josefine Falster
- Julian Peter
- James Watt
- Juan Pablo Ficovich
- Johansson/Nylander Altelius
- Jana Hossam Salah/Vlada Mincheva
- Jang/Carneiro
- Jennifer Rosa Dourado/Annabelle Lammas
- Jaroslav Kepka
- Jaroslav Prokupek
- Jiri Stach
- Julius Lazar
- Jaroslav Bresky
- Jiri Plachy
- Jan Volhejn
- Julia Grabher/Sinja Kraus
- Jelena Ostapenko/Darja Semenistaja
- Justina Mikulskyte/Patricija Paukstyte
- Jack Vance/Tennyson Whiting
- Jaycer Lyeons/Hien Pham
- J Kadhe, A/Nedunchezhiyan
- Johanne Christine Svendsen
- Junkeren
- Júbilo Iwata
- JEF United Chiba
- Jong Sparta Rotterdam
- Jong Almere City
- Jeonbuk Motors
- Jeju United
- Jeonju Citizen
- Jagiellonia Białystok
- Jamaica
- Jebens/Frantzen
- Jake Delaney/Li Tu
- Jie Cui/Duckhee Lee
- Jaime Faria
- Jeffrey John Wolf
- Julija Bogatin
- Jenna Dean
- Jacqueline Nylander Altelius
- Jiri Barnat/Tomas Lanik
- Jakovleva/Koussenkova
- Judith Hernandez Miranda
- Justina Maria Gonzalez Daniele/Valentina Losciale
- Jevremovic/Zoroja
- Jea Moon Lee/Minkyu Song
- Josephine Lombardi