Tennis Players Starting with J
- Jelena Cvijanovic/Jovana Grujic
- Jamie Loeb/Rasheeda McAdoo
- Jacqueline Cabaj Awad/Marie Weckerle
- Jessica Failla/Hong Yi Cody Wong
- Jaesung Choe/Seon Yong Han
- Juan Jose Bianchi/Reece Falck
- Jaeda Daniel/Haley Giavara
- Jessica Bernales/Anna Frey
- Javier Martinez Baena
- Jovic/Sharipov
- Jianu/Purtseladze
- Jacob Bullard/Maxwell McKennon
- Jeremy Jin/Lui Maxted
- Johan Alexander Rodriguez Rodriguez
- Jelani Sarr
- Jan Sucharda
- John Patrick Smith/Andreas Mies
- Justine Bretnacher
- Joshua Dous Karpenschif
- Jessica Pegula/Demi Schuurs
- Jules Auffray
- Juan Bianchi
- Jaimee Fourlis/Petra Hule
- Joan Torres Espinosa
- Javier Molino
- Jeff Smith
- Jim Long
- Jessie Aney/Christina Rosca
- Judith Hernandez Miranda/Claudia Sofia Martinez Solis
- Jenny Lim/Margaux Rouvroy
- Jennifer Jackson
- Julian Alonso Vivanco
- Jelena Gojkovic/Marina Lubsheva
- Juan Carlos Aguilar/Nicaise Muamba
- Juan Jose Bianchi/Matthew Thomson
- Jonah Braswell/Preston Stearns
- Jack Anthrop
- Joshua Charlton/Mitchell Harper
- Jessica Bernales/Olivia Center
- Jack Cheng
- Jeremy Zhang
- Jamilah Snells
- Jack Anthrop/Bryce Nakashima Nakashima
- Jay Dylan Hara Friend/Colton Smith
- Jesper De Jong/Ryan Nijboer
- Jay Dylan Hara Friend
- Jeremy Schifris
- Jiri Barnat/Filip Duda
- Jay Clarke/Marcus Willis
- Jack Draper/Cameron Norrie
- Junlu Sun
- Jun Zhi Le Dong
- Jiayou Luo
- Jilong Huang
- Jule Niemeier/Noma Noha Akugue
- Jiaji Wang
- John Peers/Jordan Thompson
- Julia Orswall
- Junsu Kang
- Jun Ha Hyun
- Ji Han Lee
- Joel Mark Gibson
- Jeffrey Hsu/Mitsuki Wei Kang Leong
- Jaden Weekes
- Jiaqi Wang/Jing Jing Lu
- Jin Zhang/Chenting Zhu
- Jiayou LI/Yao Xu
- Jacopo Antonelli/Fabio Leonardi
- Jerry Roddick
- Jonah Braswell
- Jacob Bullard/Nathan Ponwith
- Johannes Seeman/Wally Thayne
- Jiayou LI
- Jack Loge/Niels Ratiu
- Jannik Opitz/Tom Zeuch
- Jessica Luisa Alsola/Brandy Walker
- Joshua Charlton/Patrick Maloney
- Justin Engel/Liam Gavrielides
- Julian DeSousa/Moritz Schroeter
- Jiaqi Huang
- Jun Ha Hyun/Woodam Song
- Jakub Katuch/Michal Krajci
- Jakovleva/Tahiri
- Jonas Gundacker
- Jared Thompkins/Joe Tyler
- Jody Maginley/Joshua Sheehy
- Jonah Braswell/Sebastian Gorzny
- Jessica Luisa Alsola
- Jacob Brumm/Ryan Dickerson
- Jordi Garcia Mestre/David Naharro
- James Van Herzeele
- Joshua Paris/Ryan Peniston
- Juventus (KraftVK) Esports
- Johor Darul Takzim
- Junior Hakizumwami
- Jacob Bicknell/John Chin
- John Chin
- Justin Roberts
- Jacob Fearnley
- Jack Pinnington Jones