Tennis Giocatori che iniziano con J
- Jan Kobierski/Federico Valle
- Jan Jermar/Kristian Tumbas Kajgo
- Jiale Zhang
- Julia Konishi Camargo Silva/Vanessa Ioana Georgiana Popa Teiusanu
- Jastrzębski Węgiel
- Juventus (Menez) Esports
- Juventus
- Jordan
- Jonas Keck/Aryan Jit Singh
- Juventus (Petruchio) Esports
- James Madison Dukes
- Julia Werdiger
- Juan Manuel Cerundolo
- Jakub Mensik
- J P Mies, A/Smith
- Jack Caso
- J Purcell, M/Thompson
- J J Wolf
- J J Glasspool, L/Rojer
- J Heliovaara, H/Peers
- Jesper De Jong
- Jesse Delaney
- Jordan Chrysostom/Aryan Jit Singh
- Julia Konishi Camargo Silva/Klara Veldman
- J Hijikata, R/Kubler
- J Lammons, N/Withrow
- J Kichenok, L/Ostapenko
- Jordan Chrysostom
- Juan Sebastian Gomez
- Jesus Munoz Zendejas
- Jane Dunyon
- Joris Moret
- Jacksonville Jaguars
- Jeremy Taylor
- Jana Bojovic
- Jazmin Ortenzi
- Josefina Estevez
- Jimar Geraldine Gerald Gonzalez
- Jessica Bertoldo
- J Ram, R/Salisbury
- J Gauff, C/Pegula
- Julie Belgraver/Katarina Stresnakova
- Julieta Lara Estable/Fernanda Labrana
- Jessica Bertoldo/Oana Georgeta Simion
- J Nys, H/Zielinski
- J Errani, S/Paolini
- James Davis/James Mackinlay
- Julieta Estable
- James Beaven/Sean Hodkin
- J Harris, A/Fourlis
- J Su Wei Hsieh/Zielinski
- Juventude RS
- Julia Caffarena
- Joao Fonseca
- Jorge Martinez Martinez
- Jamie Loeb/Ana Sofia Sanchez
- Justina Maria Gonzalez Daniele/Francesca Mattioli
- Jasmin Jebawy/Verena Meliss
- Jahn Regensburg
- Jaguares De Córdoba
- Junior Barranquilla
- Jesse Flores/Duarte Vale
- Jong FC Utrecht
- JS Kabylie
- JS Saoura
- Jong Ajax
- Jong PSV Eindhoven
- Jake Delaney
- Julia Ronney
- Jakub Vrba
- Jacopo Berrettini/Fabio De Michele
- Jennifer Ruggeri
- Javier Barranco Cosano/Gabriel Elicha Navas
- Jorge Martinez Martinez/Daniel Merida
- Jacopo Berrettini
- Jerome Kym/Alexander Ritschard
- Ji Sung Nam/Min Kyu Song
- J J Koolhof, W/Rojer
- J/Yu Hsiou Hsu Jung
- J Holmgren, A/Ingildsen
- Judd Trump
- J Arneodo, R/Eysseric
- Jan Hrazdil