| Athlete |
Nation(s) |
Sport(s) |
Role(s) |
Era |
Notes |
| Bünyamin Sezer |
 TUR |
WLF |
Olympics |
2012 |
2012 London - 69kg (18) - Stanozolol (retest of sample taken at 2012 European Championships) |
| Marina Shainova |
 RUS |
WLF |
Olympics |
2008 |
2008 Beijing – 58kg (2) – Stanozolol (retest) |
| Klodiana Shala |
 ALB |
ATH |
Olympics / Opening Flagbearer / Closing Flagbearer |
2000—2008 |
2012 London - 400m (DNS) - Stanozolol (retest) |
| Yevgeniya Shapovalova |
RUS |
CCS |
Olympics |
2010—2014 |
2014 Sochi – Sprint (28) – Involved in scheme involving switched samples |
| Mohammed Shaween |
 KSA |
ATH |
Olympics |
2008—2012 |
2012 London – 1500m (r1-7th) – Retroactively stripped of all his results from 2011 to 2013 for irregularities on his Athlete Biological Passport |
| Olga Shchukina |
 UZB |
ATH |
Olympics |
2004 |
2004 Athínai – Shot Put (18 QR Group A / DNQ). Clenbuterol (ß-agonist). Did not compete. |
| Nataliya Shekhodanova |
RUS |
ATH |
Olympics |
1996—2000 |
1996 Atlanta – 100 metre Hurdles (7). Stanozolol (anabolic steroid). |
| Nirmala Sheoran |
 IND |
ATH |
Olympics |
2016 |
2016 Rio de Janeiro - 400 (5h1r1/2) / 4x400 (7h2r1/2); Positive re-test for a biological passport offense. Loses all 2016 results, 4 years of eligibility from December 2019 to 28 June 2022. |
| Anzhelika Shevchenko |
 UKR |
ATH |
Olympics |
2012 |
2012 London – 1500m (h1 13th r1/3) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport |
| Anna Shibanova |
 ROC
RUS |
IHO |
Olympics |
2014—2022 |
2014 Sochi – Women (6) – Involved in scheme involving switched samples |
| Eiji Shimomura |
 JPN |
VVO |
Olympics |
1984 |
1984 Los Angeles – Volleyball (7). Testosterone (anabolic steroid). |
| Maryna Shkermankova |
 BLR |
WLF |
Olympics |
2012 |
2012 London – 69kg (3) – Turinabol and Stanozolol (retest) |
| Svetlana Shkolina |
RUS |
ATH |
Olympics |
2008—2012 |
2012 London – HJ (3) – Retroactively stripped of all her results from 2012 to 2015 after being found guilty of participating in doping programmes in 2012 and 2013 |
| Svitlana Shmidt |
UKR |
ATH |
Olympics |
2012 |
2012 London – 3000m SC (h3-12th r1/2) – Retroactively stripped of all her results from March 2012 to 2015 for irregularities on her Athlete Biological Passport |
| Liliya Shobukhova |
RUS |
ATH |
Olympics |
2004—2012 |
2012 London – Marathon (DNF) – Retroactively stripped of all her results from 2009 to 2015 for irregularities on her Athlete Biological Passport |
| Olena Shumkina |
UKR |
ATH |
Olympics |
2012 |
2012 London – 20k walk (50) Retroactively stripped of all her results from 2011 to 2017 for irregularities on her Athlete Biological Passport |
| Maksim Sidorov |
RUS |
ATH |
Olympics |
2012 |
2012 London - Shot Put (11); Disqualified by RUSADA in March 2023 for ADRV for Oxandrolone. All results from 15 July 2012 to 3 July 2017 voided. |
| Arman-Marshal Sila |
BLR |
TKW |
Non-starter |
2016 |
2016 Rio de Janeiro – 80kg (DNS) – Results voided from June 2016 as a result of a doping violation prior to the Games – (Meldonium) |
| Sibel Şimşek |
TUR |
WLF |
Olympics |
2004—2012 |
2012 London – 63kg (4) – Turinabol and Stanozolol (retest) |
| Gabriel Sîncrăian |
 ROU |
WLF |
Olympics |
2012—2016 |
2012 London - 85kg (DNF) - Metenolone and Stanozolol. (retest) |
| Gabriel Sîncrăian |
ROU |
WLF |
Olympics |
2012—2016 |
2016 Rio de Janeiro – 85kg (3) – Testosterone. |
| Galina Skiba |
RUS |
IHO |
Olympics |
2006—2014 |
2014 Sochi – Women (6) – Involved in scheme involving switched samples |
| Yelena Slesarenko |
RUS |
ATH |
Olympics |
2004—2008 |
2008 Beijing – High jump (4) – Turinabol (retest) |
| Yekaterina Smolentseva |
RUS |
IHO |
Olympics |
2002—2014 |
2014 Sochi – Women (6) – Involved in scheme involving switched samples |
| Alexandru Șpac |
 MDA |
WLF |
Olympics |
2016 |
2016 Rio - Weightlifting 77kg (5) - Dehydrochloromethyltestosterone in retesting |
| Dmitry Starodubtsev |
RUS |
ATH |
Olympics |
2008—2012 |
2012 London – Pole Vault (4) – Turinabol (retest) |
| Jevgenijus Šuklinas |
 LTU |
CSP |
Olympics / Closing Flagbearer |
2012 |
2012 London – C1 200m (2) – Turinabol (retest) |
| Andor Szanyi |
 HUN |
WLF |
Olympics |
1988—1992 |
1988 Seoul – 100 kg. Class (2). Stanozolol (anabolic steroid). |
| Mohamed Talaat |
 EGY |
EJP |
Olympics |
2020 |
2020 Tokyo - Team jumping (11); Disqualified in December 2021 based on original testing finding of a cannabis metabolite. |
| Karel Tammjärv |
 EST |
CCS |
Olympics / Closing Flagbearer |
2010—2018 |
2018 PyeongChang – Sprint (52) 15km (22) 30 km (27) 4 x 10 km (12) Team Sprint (17) – Involved in a scheme using a prohibited method (blood doping) prior to the Games |
| Tandara |
 BRA |
VVO |
Olympics |
2012—2020 |
2020 Tokyo - Indoor volleyball (Silver); Original testing at 2020 Tokyo Olympics found evidence of positive ADRV for Ostarine. |
| Irina Tarasova |
RUS |
ATH |
Olympics |
2012 |
2012 London - shot put (7) - Evidence from the LIMS database |
| Ahmed Tarbi |
 ALG |
WLF |
Olympics |
1980—1984 |
1984 Los Angeles – 56 kg. Class (9). Nandrolone (anabolic steroid). |
| Mahmoud Tarha |
 LBN |
WLF |
Olympics |
1984 |
1984 Los Angeles – 52 kg. Class (4). Nandrolone (anabolic steroid). |
| Serghei Tarnovschi |
MDA |
CSP |
Olympics / YOG / Closing Flagbearer |
2014—2024 |
2016 Rio de Janeiro – C1 100m (3) C2 100m (DNS) – GHRP-2 |
| Martin Tauber |
 AUT |
CCS |
Olympics |
2006 |
2006 Torino – 15 km. / Pursuit / 4x10 km. relay (15K (17) / Pursuit (8) / Relay (DNF)). IOC Disciplinary investigation. Found to have been involved in an elaborate blood doping scheme. |
| Nurcan Taylan |
TUR |
WLF |
Olympics |
2004—2008 |
2008 Beijing – 48kg (AC) – Methandienone (retest) |
| Artur Taymazov |
UZB |
WRE |
Olympics / Closing Flagbearer |
2000—2012 |
2008 Beijing – 120kg Freestyle (1) – Turinabol and stanozolol.(retest) |
| Artur Taymazov |
UZB |
WRE |
Olympics / Closing Flagbearer |
2000—2012 |
2012 London – freestyle 120kg (1) – Turinabol (retest) |
| Robel Teklemariam |
 ETH |
CCS |
Olympics / Opening Flagbearer / Closing Flagbearer |
2006—2010 |
2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete. |
| Svetlana Terentyeva |
RUS |
IHO |
Olympics |
2002—2010 |
2010 Vancouver – Out-of-competition positive. Non-competitor (DNS). Tuaminoheptane. Reprimanded, not DQ – drug only illegal in competition, not out of competition. |
| Viktoriya Tereshchuk |
UKR |
MPN |
Olympics |
2004—2012 |
2008 Beijing – Individual (3) – Turinabol (retest) |
| Soslan Tigiyev |
UZB |
WRE |
Olympics |
2008—2012 |
2012 London – 74 kg. freestyle (3). Methylhexanamine |
| Soslan Tigiyev |
UZB |
WRE |
Olympics |
2008—2012 |
2008 Beijing – 74 kg. freestyle (2). Turinabol |
| Taymuraz Tigiyev |
 KAZ |
WRE |
Olympics |
2008—2012 |
2008 Beijing – 94kg freestyle (3) – Turinabol (retest) |
| Hanna Titimets |
UKR |
ATH |
Olympics |
2012—2016 |
2012 London – 400m hurdles (4h2r2/3) – Retroactively stripped of all her results from 26 June 2012 to 26 June 2014. for irregularities on her Athlete Biological Passport |
| Tatyana Tomashova |
RUS |
ATH |
Olympics |
2000—2012 |
2012 London - 1500m (4 then 3 then 2) - Disqualified in September 2024 by CAS after review of LIM samples, |
| Oleksiy Torokhtiy |
UKR |
WLF |
Olympics / Closing Flagbearer |
2008—2012 |
2012 London – 105 kgs – Turinabol (retest) |
| Marina Trandenkova |
RUS
 EUN |
ATH |
Olympics |
1992—2000 |
1996 Atlanta – 100 metres (5). Bromantan (ß-agonist). A reprimand was given but the placement was allowed to stand. |
| Mauro Trentini |
 ITA |
CTR |
Olympics |
1996 |
2000 Sydney – Out-of-competition positive. Individual Pursuit (DNS). Increased hematocrit levels (>50.0). |
| Aleksandr Tretyakov |
ROC
RUS |
SKN |
Olympics |
2006—2022 |
2014 Sochi – Men (1) – Involved in scheme involving switched samples |
| Dmitry Trunenkov |
RUS |
BOB |
Olympics |
2010—2014 |
2014 Sochi – Four-man (1) – Involved in scheme involving switched samples |
| Svetlana Tsarukayeva |
RUS |
WLF |
Olympics |
2008—2012 |
2012 London – 63kg (2) – Turinabol (retest) |
| Ivan Tsikhan |
BLR |
ATH |
Olympics / Closing Flagbearer |
2000—2020 |
2004 Athínai – Hammer Throw (2). Methandienone metabolite (anabolic steroid). Disqualified in December 2012 after re-testing of samples from the 2004 Olympics. |
| Ivan Tsikhan |
BLR |
ATH |
Olympics / Closing Flagbearer |
2000—2020 |
2008 Beijing – Hammer Throw (2). Testosterone (anabolic steroid). Overturned on appeal to the Court of Arbitration for Sport. |
| Ivan Tsikhan |
BLR |
ATH |
Olympics / Closing Flagbearer |
2000—2020 |
2012 London – Out-of-competition positive. Pre-games testing (DNS). Methandienone metabolite (anabolic steroid). Re-test of Athens samples DQed him from London. |
| Raul Tsirekidze |
 GEO |
WLF |
Olympics |
2008—2012 |
2012 London – 85kg (9) – Turinabol (retest) |
| Soslan Tsirikhov |
RUS |
ATH |
Olympics |
2012 |
2012 London – Shot Put (13); Disqualified in May 2023 by AIU after review of LIM samples, and positive finding for dehydrochloromethyltestosterone (Turinabol). |
| Stanislau Tsivonchyk |
BLR |
ATH |
Olympics |
2012 |
2012 London – PV (21 r1/2) – - Turinabol (retest) |
| Athanasia Tsoumeleka |
 GRE |
ATH |
Olympics |
2004—2008 |
2008 Beijing – 20-km walk (9). CERA re-test + plus + test 10 d after Olympics. |
| Irakli Turmanidze |
GEO |
WLF |
Olympics |
2012—2016 |
2012 London - +105 kgs (5) - Stanozolol in retest of sample from March 2012 |
| Marharyta Tverdokhlib |
UKR |
ATH |
Olympics |
2012 |
2012 London – Long jump (25) – Turinabol and stanozolol (retest) |
| Chijindu Ujah |
 GBR |
ATH |
Olympics |
2016—2020 |
2020 Tokyo – 100m (5 h3 r3/4) 4 x 100m (Silver) - Ostarine and S-23 |
| Ivan Ukhov |
RUS |
ATH |
Olympics |
2012 |
2012 London - High Jump (Gold); All results 16 July 2012 to 31 December 2015 are voided. Appealed to CAS 22 Feb 2019. |
| Gian Paolo Urlando |
ITA |
ATH |
Olympics |
1976—1984 |
1984 Los Angeles – Hammer Throw (4). Testosterone (anabolic steroid). |
| Binnaz Uslu |
TUR |
ATH |
Olympics |
2004—2012 |
2012 London – 3000m SC (r1-15th) – Retroactively stripped of all her results from 2009 to 2013 for irregularities on her Athlete Biological Passport |
| Yevgeny Ustyugov |
RUS |
BTH |
Olympics |
2010—2014 |
2010 Vancouver – 10km (15), 12.5km (), 15km (1), 20km (4), 4 x 7.5km relay (3); 2014 Sochi – 10km (38), 12.5km (16), 15km (5), 20km (19), 4 x 7.5km relay (1) |
| Almas Uteshov |
KAZ |
WLF |
Olympics |
2012 |
2012 London – 94kg (7) – Turinabol and Stanozolol (retest) |
| Martti Vainio |
 FIN |
ATH |
Olympics |
1976—1984 |
1984 Los Angeles – 10,000 metres (2). Methenolone (anabolic steroid). |
| Kamila Valiyeva |
ROC |
FSK |
Olympics |
2022 |
2022 Beijing - Trimetazidine prior to the 2022 Games |
| Norayr Vardanyan |
 ARM |
WLF |
Olympics |
2012 |
2012 London – 94kg (11) – Turinabol (retest) |
| Andreas Veerpalu |
EST |
CCS/MIX |
Olympics / YOG |
2012—2018 |
2018 PyeongChang – 15 km (56) 30 km (46) 50 km (37) 4 x 10 km (12) – Involved in a scheme using a prohibited method (blood doping) prior to the Games |
| Anna Verouli |
GRE |
ATH |
Olympics |
1984—1992 |
1984 Los Angeles – Javelin Throw (13 QR / DNQ). Nandrolone (anabolic steroid). |
| Olga Vilukhina |
RUS |
BTH |
Olympics |
2014 |
2014 Sochi - Sprint (Silver) / Pursuit (7) / Mass Start (21) / Relay (Silver) / Mixed Relay (5); Disqualified on 27 November 2017 based on findings by the Oswald Commission. After appeal, decision upheld by CAS on 1 February 2018, but eventually cleared by CAS September 2020. |
| Christos Volikakis |
GRE |
CTR |
Olympics |
2008—2020 |
2016 Rio - Keirin (12) - Ligandrol |
| Aleksey Volkov |
RUS |
BTH |
Olympics |
2014 |
2014 Sochi - 20 km (62) / Relay (Gold); Disqualified in April 2022 after re-test of samples finding a positive ADRV for Fenoterol. |
| Yekaterina Volkova |
RUS |
ATH |
Olympics |
2008 |
2008 Beijing – 3000m SC – Turinabol (retest) |
| Aleksey Voyevoda |
RUS |
BOB |
Olympics |
2006—2014 |
2014 Sochi – Two-man (1), Four-man (1) – Involved in scheme involving switched samples |
| Sviatlana Vusovich |
BLR |
ATH |
Olympics |
2004—2012 |
2008 Beijing – 800m (h2 8th r2/3) 4x400 (4) – Turinabol (retest) |
| Maksim Vylegzhanin |
RUS |
CCS |
Olympics |
2010—2014 |
2014 Sochi – 30km skiathlon (4), 50km (2), 4x10 relay (2), team sprint (2) – Involved in scheme involving switched samples |
| Achim Walcher |
AUT |
CCS |
Olympics |
1998—2002 |
2002 Salt Lake City – 30 km. / Pursuit (30K (45) / Pursuit (43)). Blood doping. |
| Wang Jiali |
 CHN |
ATH |
Olympics |
2012 |
2012 London – Marathon (58th) – Retroactively stripped of all her results from May 2012 to 2014 for irregularities on her Athlete Biological Passport |
| Alex Watson |
 AUS |
MPN |
Olympics |
1984—1992 |
1988 Seoul – Individual (61). Caffeine (stimulant). |
| Wu Dan |
CHN |
VVO |
Olympics |
1988—2000 |
1992 Barcelona – Volleyball (7). Stimulant with a strychnine base. |
| Valentin Xristov |
 AZE |
WLF |
Olympics |
2012 |
2012 London – 56kg (3) – Turinabol (retest) |
| Narsingh Yadav |
IND |
WRE |
Olympics / Non-starter |
2012—2016 |
2016 Rio – 74 kgs (DNS) – Methandienone |
| Nevin Yanıt |
TUR |
ATH |
Olympics |
2008—2012 |
2012 London – 100m hurdles (5) – Tested positive for Stanozolol in 2013. An investigation revealed multiple doping violations dating back to June 2012. In 2017 the IOC revealed she had also tested positive for an illegal substance at the 2012 Olympics. |
| Iryna Yatchanka |
BLR
EUN |
ATH |
Olympics |
1992—2008 |
2004 Athínai – Discus Throw (3). Methandienone metabolite (anabolic steroid). Disqualified in December 2012 after re-testing of samples from the 2004 Olympics. |
| Yuliya Yelistratova-Sapunova |
UKR |
TRI |
Olympics / Non-starter |
2008—2020 |
2020 Tokyo - EPO in a test from June 2021 |
| Igor Yerokhin |
RUS |
ATH |
Olympics / Non-starter |
2008—2012 |
2012 London – 50km walk (5) – Retroactively stripped of all his results from 2011 onwards for irregularities on his Athlete Biological Passport |
| Nadezhda Yevstyukhina |
RUS |
WLF |
Olympics |
2008—2012 |
2008 Beijing – 74kg (3) – Turinabol (retest) |
| Liudmyla Yosypenko |
UKR |
ATH |
Olympics |
2012 |
2012 London – Heptathlon (4) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport |
| Jerome Young |
 USA |
ATH |
Olympics |
2000 |
2000 Sydney – 4x400 metre relay (4x400 (1)). Nandrolone (anabolic steroid). DQed in June 2004 from 26 June 1999 to 25 June 2001, but medal later reinstated to his teammates, until doping offense revealed by Antonio Pettigrew. |
| Denys Yurchenko |
UKR |
ATH |
Olympics |
2000—2012 |
2008 Beijing – Pole vault (3) – Turinabol (retest) |
| Ivan Yushkov |
RUS |
ATH |
Olympics |
2004—2008 |
2008 Beijing – Shot Put (10) – Turinabol (retest) |
| Nataliya Zabolotnaya |
RUS |
WLF |
Olympics |
2004—2012 |
2012 London – 75kg (2) – Turinabol (retest) |
| İntiqam Zairov |
AZE |
WLF |
Olympics |
2008—2012 |
2008 Beijing – 84kg (9) – Turinabol (retest) |
| İntiqam Zairov |
AZE |
WLF |
Olympics |
2008—2012 |
2012 London – 94kg (6) – Turinabol (retest) |
| Daniel Zalewski |
 POL |
BOB |
Olympics |
2014 |
2014 Sochi – 4-man (27) – Phenylisobutylamine |
| Yuliya Zaripova |
RUS |
ATH |
Olympics |
2012 |
2012 London – 3000mSC (1) – Turinabol (retest) but also retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport |
| Olga Zaytseva |
RUS |
BTH |
Olympics |
2002—2014 |
2014 Sochi – 7.5 km (28), 10km (11), 12.5km (23), 15km (15), mixed relay (4) women’s relay (2) – Involved in scheme involving switched samples |
| Olha Zemliak |
UKR |
ATH |
Olympics |
2012—2016 |
2016 Rio de Janeiro – 400m (7) 4 x 400m relay (5) Retroactively stripped of all her results since July 5 2016 due to a positive test for excessive testosterone |
| Yauhen Zharnasek |
BLR |
WLF |
Olympics |
2012 |
2012 London – 105kg (9) – Turinabol (retest) |
| Adrian Zieliński |
POL |
WLF |
Olympics / Non-starter |
2012—2016 |
2016 Rio de Janeiro – 94kg (DNS) – Nandrolone |
| Aleksandr Zubkov |
RUS |
BOB/LUG |
Olympics / Opening Flagbearer |
1998—2014 |
2014 Sochi – Two-man (1), Four-man (1) – Involved in scheme involving switched samples |