Sportler
| M/F | Land | Alter | Geburtstag | ||
|---|---|---|---|---|---|
| Tursunoy Jabborova | F |  | UZB | 04.03.2002 | |
| Shayna Jack | F |  | AUS | 06.11.1998 | |
| Vivien Jackl | F |  | HUN | 17.10.2008 | |
| Danijela Jackovich | F | | AUS | 04.11.1994 | |
| Alison Jackson | F |  | CAN | 14.11.1988 | |
| Chase Jackson | F |  | USA | 30.07.1994 | |
| Lauren Jackson | F | | AUS | 11.05.1981 | |
| Shericka Jackson | F |  | JAM | 16.07.1994 | |
| Amoj Jacob | M |  | IND | 02.05.1998 | |
| Akira Jacobs | M |  | JPN | 13.04.2004 | |
| Lamont Marcell Jacobs | M |  | ITA | 26.09.1994 | |
| Katrine Koch Jacobsen | F |  | DEN | 24.06.1999 | |
| Nikolaj Bredahl Jacobsen | M | | DEN | 22.11.1971 | |
| Payton Jon Jacobson | M | | USA | 12.09.2002 | |
| Antia Jacome | F |  | ESP | 22.11.1999 | |
| Chloe Jacquet | F |  | FRA | 17.04.2002 | |
| Pravin Ramesh Jadhav | M | | IND | 06.07.1996 | |
| Henriette Jaeger | F |  | NOR | 30.06.2003 | |
| Thomas Jaeschke | M | | USA | 04.09.1993 | |
| Hasrat Jafarov | M |  | AZE | 05.10.2002 | |
| Stephan Jäger | M |  | GER | 30.05.1989 | |
| Pauline Jagsch | F | | GER | ||
| Marlene Jahl | F |  | AUT | 07.04.1995 | |
| Lisa Jahn | F | | GER | 25.02.1994 | |
| Jaismine Jaismine | F | | IND | 30.08.2001 | |
| Mario Damian Jajarabilla | M |  | ARG | 10.01.1999 | |
| Maike Jakob | F | | GER | 25.10.2005 | |
| Emil Manfeldt Jakobsen | M | | DEN | 24.01.1998 | |
| Nikola Jakšić | M |  | SRB | 17.01.1997 | |
| Petar Jaksic | M | | SRB | 20.07.2001 | |
| Grace Joanna Ella Jale | F |  | NZL | 10.04.1999 | |
| Sanu Jallow | F |  | GAM | 04.04.2003 | |
| Jasurbek Jaloliddinov | M | | UZB | 15.05.2002 | |
| Bakhodir Jalolov | M | | UZB | 08.07.1994 | |
| Yekta Jamali Galeh | F |  | ROA | 16.12.2004 | |
| Razambek Salambekovitch Jamalov | M | | UZB | 01.06.1998 | |
| Kirani James | M |  | GRN | 01.09.1992 | |
| LeBron Raymone James | M | | USA | 30.12.1984 | |
| Malik James-King | M | | JAM | 28.06.1999 | |
| Blaž Janc | M |  | SLO | 20.11.1996 | |
| Alexis Jandard | M | | FRA | 23.04.1997 | |
| Juan Jane Giralt | M |  | CHN | 31.05.1953 | |
| Kookhee Jang | F |  | KOR | 24.02.2000 | |
| Woojin Jang | M | | KOR | 10.09.1995 | |
| Yeonhak Jang | M | | KOR | 14.02.1997 | |
| Masa Jankovic | F | | SRB | 01.02.2000 | |
| Tristan Jankovics | M | | CAN | 10.05.2004 | |
| Sandra Jankowiak | F |  | POL | ||
| Julieta Jankunas | F | | ARG | 20.01.1999 | |
| Jérémie Janot | M | | FRA | 11.10.1977 | |
| Genevieve Janse Van Rensburg | F | | AUS | 24.03.2004 | |
| Mel Janse van Rensburg | M |  | RSA | 16.09.2001 | |
| Ella Christina Jansen | F | | CAN | ||
| Yibbi Jansen | F |  | NED | 18.11.1999 | |
| Szilard Jansik | M | | HUN | 06.04.1994 | |
| Anna Janßen | F | | GER | 28.08.2001 | |
| Henrik Janssen | M | | GER | 19.05.1998 | |
| Jip Janssen | M | | NED | 14.10.1997 | |
| Benyapa Jantawan | F |  | THA | 10.04.1984 | |
| Kinga Janurik | F | | HUN | 06.11.1991 | |
| Marcin Janusz | M | | POL | 31.07.1994 | |
| Patrik Jány | M |  | SVK | 29.07.1997 | |
| Aurelia-Maxima Katherina Janzen | F |  | SUI | 27.12.2003 | |
| Ahmed Jaouadi | M |  | TUN | 30.05.2005 | |
| Carlos de los Santos Jara Saguier | M |  | PAR | 01.11.1950 | |
| Aleksandra Jarecka | F | | POL | 11.10.1995 | |
| Jake Jarman | M |  | GBR | 03.12.2001 | |
| Nicolás Jarry | M |  | CHI | 11.10.1995 | |
| Emil Jarudd | M |  | SWE | 27.04.1998 | |
| Ali-Jasim El-Aibi Al-Tameemi | M |  | IRQ | 20.01.2004 | |
| Liveta Jasiunaite | F |  | LTU | 26.07.1994 | |
| Rytis Jasiūnas | M | | LTU | 20.07.1994 | |
| Adrian Jaskiewicz | M | | POL | ||
| Ian Jason | F | | FRA | 18.01.1997 | |
| Marrit Jasper | F | | NED | 28.02.1996 | |
| Adam Jaszo | M | | HUN | 05.07.2002 | |
| Mir Mostafa Javadi Aliabadi | M |  | IRN | 22.06.2000 | |
| Mahsa Javer | F | | IRN | 12.05.1994 | |
| Francisco Javier Lerga Garayoa | M | | ESP | 18.08.1979 | |
| Marlena Jawaid | F | | SWE | 16.08.2000 | |
| Maud Jayet | F | | SUI | 03.04.1996 | |
| John Jayne | M | | USA | 04.03.1997 | |
| Jasurbek Jaysunov | M | | UZB | 19.04.2002 | |
| Ahmed Jaziri | M | | TUN | 16.12.1997 | |
| Anthony Jeanjean | M | | FRA | 13.05.1998 | |
| Camille Jedrzejewski | F | | FRA | 25.04.2002 | |
| Minhyung Jee | F | | AUS | 05.01.1987 | |
| Ben Jefferies | M | | GBR | 10.09.1999 | |
| Melissa Jefferson | F | | USA | 21.02.2001 | |
| Jendryk II Jeffrey | M | | USA | 15.09.1995 | |
| Eneli Jefimova | F |  | EST | 27.12.2006 | |
| Aleksandra Jegdic | F | | SRB | 09.10.1994 | |
| Liam Jegou | M |  | IRL | 09.01.1996 | |
| Marine Jehaes | F |  | BEL | 30.06.2003 | |
| Marina Jehl | F | | FRA | ||
| Marin Jelinić | M |  | CRO | 07.12.1996 | |
| Martyna Jelinska | F | | POL | 05.05.1992 | |
| Salim Ahmad Jemai | M | | TUN | 01.03.2005 | |
| Kishore Jena | M | | IND | 06.09.1995 | |
| Nora Jencusova | F | | SVK | 14.04.2002 | |
| Mohamed Khalil Jendoubi | M | | TUN | 01.06.2002 | |
| Paul Jenft | M | | FRA | 16.06.2003 | |
| Michelle Jenneke | F | | AUS | 23.06.1993 | |
| Jennifer Hermoso Fuentes | F | | ESP | 09.05.1990 | |
| Jesper Haandbæk Jensen | M | | DEN | 30.10.1977 | |
| Sophia Jensen | F | | CAN | 18.09.2001 | |
| Trine Jensen Østergaard | F | | DEN | 17.10.1991 | |
| Eunhye Jeon | F | | KOR | 01.08.1997 | |
| Hayoung Jeon | F | | KOR | 18.08.2001 | |
| Hunyoung Jeon | F | | KOR | 29.05.2004 | |
| Hyeok Jin Jeon | M | | KOR | 13.06.1995 | |
| Ji-yeon Jeon | F | | KOR | 02.05.2003 | |
| Jihee Jeon | F | | KOR | 28.10.1992 | |
| Jin-hui Jeong | F | | KOR | 24.03.1999 | |
| Na-eun Jeong | F | | KOR | 27.06.2000 | |
| Peres Jepchirchir | F |  | KEN | 27.09.1993 | |
| Daisy Jepkemei | F | | KEN | 13.02.1996 | |
| Nelly Jepkosgei | F | | KEN | 14.07.1991 | |
| Norah Jeruto | F |  | KAZ | 02.10.1995 | |
| Daniel Jervis | M | | GBR | 09.06.1996 | |
| Nia Jerwood | F | | AUS | 17.01.1998 | |
| Kanak Jha | M | | USA | 19.06.2000 | |
| Jheniffer Da Silva Cordinali Gouveia | F |  | BRA | 06.11.2001 | |
| Mohamed Amin Jhinaoui | M | | TUN | 02.04.1997 | |
| Bowen Ji | M | | CHN | 22.02.2002 | |
| Xinjie Ji | M | | CHN | 27.10.1997 | |
| Yuchan Ji | M | | KOR | 24.08.2002 | |
| Jia Yifan | F | | CHN | 29.06.1997 | |
| Ranxin Jiang | F | | CHN | 02.05.2000 | |
| Yiting Jiang | F | | CHN | 01.08.2004 | |
| Zhichao Jiang | F | | CHN | 06.01.2005 | |
| Enqi Jiao | F | | CHN | 18.01.2006 | |
| Nikoleta Jíchová | F |  | CZE | 29.08.2000 | |
| Abdou Salam Ag Jiddou | M |  | MLI | 01.02.2000 | |
| Elizabeth Jimenez | F |  | DOM | 06.02.2006 | |
| Kristine Jiménez | F |  | PAN | 19.09.1995 | |
| Lucía Jiménez Vicente | F | | ESP | 08.01.1997 | |
| Jordy Rafael Jimenez Arrobo | M |  | ECU | 11.02.1994 | |
| Juan Antonio Jiménez Cobo | M | | ESP | 11.05.1959 | |
| Joana Betzabe Jimenez Garcia | F |  | MEX | ||
| Ramita Jindal | F | | IND | 16.01.2004 | |
| Zou Jingyuan | M | | CHN | 03.01.1998 | |
| Jutamas Jitpong | F | | THA | 09.02.1998 | |
| Tasa Jiya | F | | NED | 16.09.1997 | |
| Ruslanbek Jiyanov | M | | UZB | 05.06.2001 | |
| Eun-been Jo | F | | KOR | 18.04.2001 | |
| Jin Mi Jo | F |  | PRK | 15.11.2004 | |
| Alex Joachim | M |  | VIN | 14.04.2003 | |
| Joan García Pons | M | | ESP | 04.05.2001 | |
| Carolina Joao | F |  | POR | 01.03.1997 | |
| Joao Andrés Urbáez Gómez | M | | DOM | 24.07.2002 | |
| Ousman Jobe | M | | GAM | 27.11.2005 | |
| Marleen Jochems | F | | NED | 24.01.2000 | |
| Sarah Jodoin Di Maria | F | | ITA | 03.01.2000 | |
| Jon Joentvedt | M | | NOR | 28.07.2003 | |
| Helalia Johannes | F |  | NAM | 13.08.1980 | |
| Marine Johannès | F | | FRA | 21.01.1995 | |
| Torben Johannesen | M | | GER | 21.09.1994 | |
| Sara Johansen | F | | DEN | 13.09.2000 | |
| Axelina Johansson | F | | SWE | 20.04.2000 | |
| Per Johansson | M | | NED | 10.11.1970 | |
| Victor Johansson | M | | SWE | 13.09.1998 | |
| Max John | M | | GER | 01.07.1997 | |
| Yemi Mary John | F | | GBR | 03.05.2003 | |
| Melody Johner | F | | SUI | 07.03.1984 | |
| Alaysha Johnson | F | | USA | 20.07.1996 | |
| Ashleigh Johnson | F | | USA | 12.09.1994 | |
| Ben Johnson | M | | IRL | 01.08.2000 | |
| Cheswill Johnson | M | | RSA | 30.09.1997 | |
| Jeswin Aldrin Johnson | M | | IND | 24.12.2001 | |
| Moesha Johnson | F | | AUS | 19.09.1997 | |
| Katarina Johnson-Thompson | F | | GBR | 09.01.1993 | |
| David Johnston | M | | USA | 28.10.2001 | |
| Clarke Johnstone | M | | NZL | 26.04.1987 | |
| Kacoul Dut Jok | M |  | SSD | 30.03.1994 | |
| Nikola Jokić | M | | SRB | 19.02.1995 | |
| Maro Joković | M | | CRO | 01.10.1987 | |
| Damien Joly | M | | FRA | 04.06.1992 | |
| Supak Jomkoh | M | | THA | 04.09.1996 | |
| Jon Pacheco Dozagarat | M | | ESP | 08.01.2001 | |
| Aislin Jones | F | | AUS | 08.02.2000 | |
| Brianna Jones | F |  | PUR | 09.02.1997 | |
| Carlik Jones | M | | SSD | 23.12.1997 | |
| Gowan Jones | M | | RSA | 24.06.1989 | |
| Jade Jones | F | | GBR | 21.03.1993 | |
| Jasmine Mari Jones | F | | USA | 30.11.2001 | |
| Keaton Jones | M | | USA | 13.10.2004 | |
| Luuka Jones | F | | NZL | 18.10.1988 | |
| Meg Jones | F | | GBR | 23.10.1996 | |
| Omari Jones | M | | USA | 07.11.2002 | |
| Sarah Jones | F | | GBR | 25.06.1990 | |
| Terrence Jones | M |  | BAH | 08.11.2000 | |
| William Jones | M | | CAN | 05.03.1995 | |
| Weerapon Jongjoho | M | | THA | 07.02.2001 | |
| Hanna Jonsson | F | | SWE | ||
| Kim Joo-hyung | M | | KOR | 21.06.2002 | |
| Fernando Dayan Jorge Enriquez | M |  | CUB | 03.12.1998 | |
| Jorge Vilda Rodríguez | M | | ESP | 07.07.1981 | |
| Matteo Jorgenson | M | | USA | 01.07.1999 | |
| Darko Jorgić | M | | SLO | 30.07.1998 | |
| Ine Joris | F | | BEL | 25.07.2001 | |
| Snaefridur Jorunnardottir | F |  | ISL | 31.10.2000 | |
| José Alejandro de León Gómez | M | | DOM | 02.03.2004 | |
| Elijah Joseph | M |  | TRI | 03.07.2001 | |
| Esther Elo Joseph | F |  | NGA | 04.04.2003 | |
| Gemima Joseph | F | | FRA | 17.10.2001 | |
| Gulfam Joseph | M |  | PAK | 17.12.1999 | |
| Jason Joseph | M | | SUI | 11.10.1998 | |
| Jefferson-Lee Joseph | M | | FRA | 29.08.2002 | |
| Michael Joseph | M |  | LCA | 01.11.2002 | |
| Rogail Joseph | F | | RSA | 22.04.2000 | |
| Margo Joseph-Kuo | F | | AUS | 14.10.2004 | |
| Celia Joseph-Noel | F | | FRA | 05.11.2003 | |
| Chris Joslin | M | | USA | 10.03.1996 | |
| Quentin Jouffroy | M | | FRA | 05.07.1993 | |
| Noé Jouin | M | | FRA | 02.08.2002 | |
| Caroline Jouisse | F | | FRA | 26.05.1994 | |
| Kittylynn Joustra | F | | NED | 11.01.1998 | |
| Filip Jovanovic | M | | SRB | 12.04.1996 | |
| Nevena Jovanović | F | | SRB | 30.06.1990 | |
| Nikola Jović | M | | SRB | 09.06.2003 | |
| Staš Jovičić | M | | SLO | 06.12.2000 | |
| Nikola Jovović | M | | SRB | 13.02.1992 | |
| Grace Joyce | F | | USA | 05.03.1998 | |
| Jasmine Joyce | F | | GBR | 09.10.1995 | |
| Levente Mark Jozsa | M | | HUN | 04.10.2002 | |
| Emma Jørgensen | F | | DEN | 30.01.1996 | |
| Kristina Jørgensen | F | | DEN | 17.01.1998 | |
| Lukas Jørgensen | M | | DEN | 31.03.1999 | |
| Juan Miranda González | M | | ESP | 19.01.2000 | |
| Juan Luis Sánchez Velasco | M | | ESP | 15.08.2003 | |
| Paul Juda | M | | USA | 07.07.2001 | |
| Jonas Juel | M | | NOR | 21.10.1999 | |
| Peeter Juerisson | M | | EST | 16.03.2002 | |
| Ferran Julia Tous | M | | ESP | 07.07.2000 | |
| Mélody Julien | F | | FRA | 13.05.1999 | |
| Ryan Cowen Julius | M | | RSA | 19.07.1995 | |
| Sara Junevik | F | | SWE | 14.02.2000 | |
| Michael "Michi" Jung | M | | GER | 31.07.1982 | |
| Yerin Jung | F | | KOR | 15.07.1996 | |
| Levi Jung-Ruivivar | F | | USA | 03.05.2006 | |
| Thomas Johann Jungbauer Genao | M | | DOM | 30.07.2005 | |
| Viviane Jungblut | F | | BRA | 29.06.1996 | |
| Rizki Juniansyah | M |  | IDN | 17.06.2003 | |
| Vagner Junior Souta | M | | BRA | 10.02.1991 | |
| Sophia Junk | F | | GER | 01.03.1999 | |
| Ella Junnila | F |  | FIN | 06.12.1998 | |
| Magdalena Jurczyk | F | | POL | 25.10.1995 | |
| Filip Jurisic | M | | CRO | 14.09.1992 | |
| Jakub Jurka | M | | CZE | 13.06.1999 | |
| Jan Jurkiewicz | M | | POL | 05.10.2000 | |
| Anna Jurt | F | | SUI | 29.12.2001 | |
| Radek Juška | M | | CZE | 08.03.1993 | |
| Paula Juste Sanchez | F | | ESP |