List of doping cases in sport (O)

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

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

Name	Country	Event	Banned substance(s)	Reference(s)
Kirk O'Bee	United States	Cycling	Testosterone	[1]
Robbie O'Davis	Australia	Rugby league	Anabolic steroids	[2] [3] [4]
Chiedozie Offiah	United Kingdom	Basketball	Test tampering	[5]
Stuart O'Grady	Australia	Cycling	EPO (Self admit)	[6]
Reza Ojagh	Iran	Swimming	Nandrolone	[7]
Mirela Olczak	Poland	Swimming	Methylhexaneamine	[8]
Olena Olefirenko	Ukraine	Rowing		[9]
Ruslan Oleksenko	Ukraine	Wrestling	THC	[10]
Andrey Oleynik	Ukraine	Swimming	Cannabis	[11]
Jacques Oliger	Chile	Weightlifting		[12]
Achiliev Olimbeck	United Arab Emirates	Weightlifting	Metandienone	[13]
Victor Felipe Silveira Oliveira	Brazil	Volleyball	Steroids	[14]
Graham Olling	Australia	Rugby league	Anabolic steroids	[15]
Larry Olubamiwu	United Kingdom	Boxing		[16]
Naiij Omid	Iran	Weightlifting	Metandienone	[13]
Esther Omosehin	Nigeria	Swimming	Ephedrine	[17]
Qazi Onik	Bangladesh	Cricket	Methamphetamine	[18]
Nathan O'Neill	Australia	Cycling	Phentermine	[19]
Elizabeth Onuah	Nigeria	Weightlifting	Hydrochlorothiazide, Amiloride	[13]
Oo Mya Sanda	Myanmar	Weightlifting	Metabolite	[20]
Niusila Opeloge	Samoa	Weightlifting		[13]
Omar Ortiz	Mexico	Football (soccer)	Oxymetholone, masteron	[21]
Michal Orzechowski	Poland	Wrestling	THC	[10]
Ronnie O'Sullivan	England	Snooker	Cannabis	[22]
Bilal Othman	Syria	Weightlifting		[13]
Bilikis Otunla	Nigeria	Weightlifting	Nandrolone	[13]
Abdelkrim Ouakali	Algeria	Wrestling	Furosemide	[23]
Ouyang Kunpeng	China	Swimming	Clenbuterol	[24]
Artem Ovechkin	Russia	Cycling		[25]
Alistair Overeem	Netherlands	MMA and Kickboxing	Testosterone- Epitestosterone	[26]
Mita Overvliet	Netherlands	Weightlifting	Norandrosterone, Furosemide	[13]
Henry Owens	United States	Baseball	Performance-enhancing substance	[27]

References

1. "USADA - What We Do: Results Management - Sanctions". Usantidoping.org. Archived from the original on October 2, 2009. Retrieved 2012-07-24.
2. Staff Reports (30 June 1998). "Rugby". The Augusta Chronicle . Retrieved 13 August 2012.
3. http://www.parliament.nsw.gov.au/prod/parlment/hanstrans.nsf/V3ByKey/LA19980625 New South Wales Parliament (Hansard transcript), 25 June 1988. Search keyword "Robbie"
4. http://www.findarticles.com/p/articles/mi_qn4158/is_19980618/ai_n14151893 The Independent (London), 18 June 1998 by Dave Hadfield. Search keyword "Robbie"
5. 120725 14/08/12 UK Anti-Doping vs Kofi Danso & Chiedozie Offiah Archived 2013-11-13 at the Wayback Machine
6. "Stuart O'Grady admits to doping before the 1998 Tour de France". ABC News. ABC News (Australia). 24 July 2013. Retrieved 2013-11-11.
7. "Three Swimmers Banned by FINA for Drug Violations". Swimmingworldmagazine.com. Archived from the original on 2013-01-05. Retrieved 2012-07-24.
8. 2011 Doping Cases Report Archived 2013-11-13 at the Wayback Machine .
9. "Doping cases at the Athens Games - Olympic news- nbcsports.msnbc.com". MSNBC. 2004-08-29. Archived from the original on 2013-01-04. Retrieved 2012-07-24.
10. Sanctions for doping & Disciplinary sanctions ^{[ permanent dead link ]}.
11. "FINA DOPING PANEL DECISION". Archived from the original on 2005-10-17. Retrieved 2013-08-20.
12. "11 Lifters Banned From Olympics". The New York Times. 1983-10-23. Archived from the original on 2012-06-30. Retrieved 2010-05-08.
13. Sanctioned athletes Archived 2013-03-27 at the Wayback Machine .
14. 2009-2011 Anti-Doping Rule Violations.
15. Curtin, Jennie (11 July 1998). "Simply the Best". The Sydney Morning Herald . Retrieved 2 January 2012.
16. "Boxer Craig Windsor banned from the sport for three years after admitting to steroid use". The Daily Telegraph . 23 May 2013. Archived from the original on 2015-09-26.
17. 2006 Doping Cases Report Archived 2010-06-18 at the Wayback Machine
18. "Qazi Onik banned for two years for failing dope test". ESPNCricinfo. 26 July 2020. Retrieved 23 November 2023.
19. "www.cyclingnews.com - the world centre of cycling". Autobus.cyclingnews.com. Archived from the original on 2012-07-01. Retrieved 2012-07-24.
20. "Xinhuanet - English". News.xinhuanet.com. Archived from the original on 2012-06-30. Retrieved 2012-07-24.
21. "Mexican goalkeeper banned for two years". FourFourTwo. 2010-05-10. Archived from the original on 2012-07-12. Retrieved 2012-07-17.
22. "Bad Boys: Ronnie O'Sullivan". BBC News. 2003-05-07. Archived from the original on 2012-06-30. Retrieved 2010-05-08.
23. "Dopage: Hichem Chaabane (cyclisme) et Abdelkrim Ouakali (lutte) suspendus quatre ans" (in French). www.huffpostmaghreb.com. August 24, 2015. Archived from the original on October 22, 2019. Retrieved October 22, 2019.
24. http://canadianpress.google.com/article/ALeqM5g525WR5B_vavIuSs3uUS97D5_9qA . Retrieved November 15, 2013.{{cite web}}: Missing or empty |title= (help)^{[ dead link ]}
25. Rusvelo team hit by three positive tests at Russian national championships Archived 2013-12-03 at the Wayback Machine .
26. "Alistair Overeem Tests Positive For Steroids; Dana White Furious". Fightofthenight.Com. 2012-04-04. Archived from the original on 2013-01-23. Retrieved 2012-07-24.
27. "Owens suspended 50 games after testing positive for banned substance". ESPN. Associated Press. November 11, 2008. Retrieved June 8, 2025.