Tennis Joueurs commençant par J
- Jonas Trinker
- Juan Pablo Paz/Aldin Setkic
- Jessica Bertoldo/Maria Toma
- Jerome Estephan/Dominick Mosejczuk
- Julia Avdeeva/Polina Kudermetova
- Justas Trainauskas
- Jacopo Bilardo/Giorgio Ricca
- Jaime Faria/Henrique Rocha
- Jacqueline Cabaj Awad/Caijsa Wilda Hennemann
- Jenny Duerst/Daria Kuczer
- Jan Hrazdil/Patrick Zahraj
- Janis Graski/Piet Luis Pinter
- Ji Min Park
- Jessica Marmorstein
- Janika Kusy/Vivien Sandberg
- Jan Kobierski/Keegan Rice
- Jay Clarke/Kai Wehnelt
- Jurriaan Bol/Stijn Pel
- Jacqueline Cabaj Awad/Jenny Duerst
- Jane Dunyon/Csilla Fodor
- Johan Claesson/Melvin Kumar
- Jimena Gomez/Coral Valle
- Jakub Filip/Maxim Mrva
- Jonas Forejtek/Dalibor Svrcina
- Jip Van Assendelft
- Jake Fellows
- Jakub Paul/Antoine Bellier
- Ji Hee Choi
- Jan Dimitrijevic
- Jessy Rompies
- Jessy Rompies/Ella Simmons
- Jonathan Eysseric/Fabrice Martin
- Jaime Caldes/Kazuki Nishiwaki
- Jeevan Nedunchezhiyan/Vijay Sundar Prashanth
- Juan Sebastian Osorio/Felipe Santamaria
- Julie Belgraver/Diana Marcinkevica
- Jeremy Gschwendtner
- Joao Eduardo Schiessl/Marcel Marlon Sudzum
- Ji Hee Choi/Yeonwoo Ku
- John Echeverria
- JäPS
- Joshua Paris/Ramkumar Ramanathan
- John Peers/Roman Safiullin
- Justina Mikulskyte/Sapfo Sakellaridi
- Jeong Moon
- Jay Lin Gibson/Anthony Shumsky
- Jakub Paul/Matej Vocel
- Jay Clarke/Lukas Pokorny
- Joao Domingues/Nicola Kuhn
- Johan Nikles/Damien Wenger
- Joseph Puig Mccallan/Julio Zarate Fernandez
- Juan Bautista Otegui/Gabriel Schenekenberg
- Julia Middendorf/Angelina Wirges
- Jaimee Fourlis/Himeno Sakatsume
- Jamie Loeb/Maria Mateas
- Joshua Charlton/Kody Pearson
- Jared Thompkins/Jamie Vance
- Jake Delaney/Jesse Delaney
- Joe Salisbury/Heather Watson
- Johannes Seemann/Wally Thayne
- Jovana Grujic/Aleksandra Simeva
- Jasmine Ben Aba/Sandra Mahbouli
- Julieta Pareja
- Julia Ronney/Brandy Walker
- Justin Nulac
- Jasmine Ben Aba
- Jerv
- JPS
- JIPPO Joensuu
- Jiangxi Liansheng
- Jõhvi FC Lokomotiv
- JK Viljandi Tulevik
- JK Narva Trans
- JK Tallinna Kalev
- Jeonbuk Motors Reserves
- Jonsereds IF
- Juventud De Las Piedras
- Jaroslav Pospisil
- James Tracy
- James Trotter
- Juventus (Jekunam) Esports
- Jisung Nam/Patrik Niklas Salminen
- Javier Barranco Cosano/Nikolas Sanchez Izquierdo
- Jessika Ponchet/Bibiane Schoofs
- Jaesung Choe
- Jungwon Park
- Jeong Heon Lee
- James Trotter/Hans Hach Verdugo
- Joshua Sheehy/Alex Rybakov
- Ji Hee Choi/Peangtarn Plipuech
- Jae Hwan Kim/Chan Yeong Oh
- Jake Trondson
- Jules Leroux
- Jerko Brkic/Marino Jakic
- James Davis/Mark Whitehouse
- Janice Tjen
- Ji Hoon Son
- Junhyeon Lee
- Jae Myeong Lee
- Jelena Ristic/Laura Radakovic