List of doping cases in sport (J)

This is a sub-list from List of doping cases in sport representing a full list of surnames starting with J.

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
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• L
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• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z

Name	Country	Event	Banned substance(s)	Reference(s)
Shayna Jack	Australia	Swimming	Ligandrol	[1]
Mette Jacobsen	Denmark	Swimming	Prednisolone, Prednisone	[2]
Mahmoud Jadaan	Syria	Swimming	Metenolone	[3]
Jörg Jaksche	Germany	Cycling	Erythropoietin (EPO)	[4]
Laurent Jalabert	France	Cycling	Erythropoietin (EPO)	[5]
Jiraporn Janchum	Thailand	Weightlifting	Methandienone	[6]
Paulo Bruno Janeiro	Brazil	Swimming	Cannabis	[7]
Michal Jarczak	Poland	Gymnastics	THC	[8]
Daniel Jardemyr	Sweden	Ice hockey	Amphetamine	[9]
Sabri Jari	Tunisia	Swimming	Refusal to submit to doping test	[10]
Mohammed Jassim	Iraq	Weightlifting	Cortisone	[11]
Ernst Jean-Joseph	Haiti	Football (soccer)	Phenmetrazine	[12]
Leon Jeanne	Wales	Football (soccer)		[13]
Genevieve Jeanson	Canada	Cycling	Erythropoietin (EPO)	[14]
Brian Dalgaard Jensen	Denmark	Cycling	Erythropoietin (EPO)	[15]
Knud Enemark Jensen	Denmark	Cycling	Amphetamines	[16]
Aubrey Jesseau	Canada	Canadian football	Stanozolol	[17]
Tomas Johansson	Sweden	Sport wrestling	Anabolic steroids	[18]
Therese Johaug	Norway	Cross-country skiing	Anabolic steroid Clostebol	[19]
Ben Johnson	Canada	Sprinting	Stanozolol	[20]
Eddie Johnson	United States	Basketball	Cocaine	[21]
Gea Johnson	United States	Athletics (Hept)	Anabolic steroids	[22]
Gea Johnson	United States	Weightlifting	Epitestosterone	[23]
Gea Johnson	United States	Cycling	Modafinil	[24]
Willie Johnston	Scotland	Football (soccer)	Reactivan	[25]
Harrison Jones	United States	Diving	Cannabis	[7]
JaCoby Jones	United States	Baseball	Non-performance-enhancing drugs	[26]
Roy Jones Jr.	United States	Boxing	Androstenedione (Banned substance by the IBF but available legally over-the-counter in the US at time of use)	[27]
Ahmad Joughili	Syria	Weightlifting	Metandienone	[6]
Alberto Jose	Dominican Republic	Weightlifting	Methandienone, Dehydrochlormethyltestosterone	[6]
Mi Naw Ju	Myanmar	Weightlifting		[6]
Rui Jorge	Portugal	Association football	Budesonide (ban lifted due to Sporting CP's failure to notify authorities of his medical exemption)	[28] [29]
Miguel Juarez	Venezuela	Swimming	Nandrolone	[30]
Olivera Juric	Bosnia and Herzegovina	Weightlifting	Metandienone	[6]
Ladislav Jusko	Czech Republic	Water polo	Cannabis	[31]

References

1. "Shayna Jack: Australian swimmer tests positive for banned substance". 27 July 2019. Retrieved 27 July 2019.
2. 2004 Doping Cases Report Archived 2010-06-18 at the Wayback Machine .
3. "Three Swimmers Banned by FINA for Drug Violations". Swimmingworldmagazine.com. 20 May 2003. Archived from the original on 2013-01-05. Retrieved 2012-07-24.
4. "cyclingnews.com". Autobus.cyclingnews.com. Archived from the original on 2012-07-01. Retrieved 2012-07-24.
5. "Jalabert tests positive for EPO at 1998 Tour de France". cyclingnews.com. 24 June 2013.
6. Sanctioned athletes Archived 2014-04-07 at the Wayback Machine .
7. 2011 Doping Cases Report Archived 2013-11-13 at the Wayback Machine .
8. "Athletes' sanctions / Sanctions des athlètes" (PDF). Archived from the original (PDF) on 2013-03-06. Retrieved 2013-11-14.
9. "Andra dopingfall inom svensk hockey | Hockey | Senaste nytt | HockeyExpressen - Elitserien, NHL och allsvenskan". Hockey.expressen.se. Archived from the original on 2012-07-09. Retrieved 2012-07-17.
10. 2007 Doping Cases Report Archived 2010-06-18 at the Wayback Machine .
11. "Iraqi lifter Jassim faces Games ban for prohibited drug use". ESPN. June 6, 2008. Retrieved 10 December 2014.
12. "Sports - World Cup". CBC.ca. Archived from the original on 2012-06-30. Retrieved 2012-07-24.
13. "Striker fails drug test". BBC News. 2001-11-10. Archived from the original on 2012-06-30. BBC Sport Retrieved on 24 April 2009
14. "cyclingnews.com". Autobus.cyclingnews.com. Archived from the original on 2012-07-08. Retrieved 2012-07-24.
15. AF Anders Fuglsang. "De dømte og de mistænkte" (in Danish). Politiken.dk. Archived from the original on 2008-10-03. Retrieved 2012-07-24.
16. "Drugs in sport: a brief history". The Guardian. London. Archived from the original on 2012-06-30. Retrieved 2010-05-08.
17. "Waterloo football player makes doping history". The Globe and Mail . 2010-09-08. Archived from the original on 2021-04-07.
18. (in Swedish) Archived November 26, 2002, at the Wayback Machine
19. http://www.tas-cas.org/fileadmin/user_upload/Media_Release_5015.pdf ^{[ bare URL PDF ]}
20. Johnson, William Oscar; Moore, Kenny (October 3, 1988). "The Loser". Sports Illustrated. Retrieved August 21, 2023.
21. Cooper, Barry (December 6, 1987). "Drugs, Personal Problems Slowing Fast Eddie's Career Down". Orlando Sentinel . Archived from the original on December 16, 2019. Retrieved July 26, 2025.
22. "Former Heptathlon Champ Seeks Reinstatement from Steroid Suspension". Associated Press .
23. "Bobsledder Johnson Has 2 Suspensions". Los Angeles Times . 9 April 2002.
24. "Gea Johnson Receives Doping Sanction| U.S. Anti-Doping Agency". 2017-07-07.
25. Soccer-media.com Archived September 29, 2011, at the Wayback Machine
26. McCosky, Chris (January 23, 2016). "Tigers give show of faith to suspended JaCoby Jones". The Detroit News . Retrieved June 8, 2025.
27. Kieran MulvaneyBoxingArchive (2007-03-01). "ESPN - Boxing does not escape the specter of steroids". ESPN. Archived from the original on 2012-06-30. Retrieved 2012-07-24.
28. "Rui Jorge tests positive". UEFA. 23 April 2004. Retrieved 19 September 2019.^{[ dead link ]}
29. "Jorge cleared for Euro 2004". BBC Sport. 17 May 2004. Retrieved 19 September 2019.
30. 2001 Doping Cases Report Archived 2010-06-18 at the Wayback Machine
31. 2008 Doping Cases Report Archived 2010-06-18 at the Wayback Machine .