This is a sub-list from List of doping cases in sport representing a full list of surnames starting with D.
| Name | Country | Event | Banned substance(s) | Reference(s) |
|---|---|---|---|---|
| Omar Daaboul |
 Lebanon
|
Swimming | Methandienone, Methyltestosterone, Norandrosterone | |
| Phongsathon Daengsanan |
 Thailand
|
Weightlifting | Metandienone | |
| Peter Daija |
 Canada
|
Shot put | ||
| Haider Dakhil |
 Iraq
|
Weightlifting | ||
| Marius Danciu |
 Romania
|
Weightlifting | Methandienone | |
| Dang Zhiyong |
 China
|
Bodybuilding | ||
| Ashot Danielyan |
 Armenia
|
Weightlifting | Steroids | |
| Olga Danilova |
 Russia
|
Cross-country skiing | NESP | |
| Kofi Danso |
 United Kingdom
|
Basketball | Cannabis, test tampering | |
| Joey D'Antoni |
 United States
|
Cycling | Erythropoietin (EPO) | |
| Yerbolat Darivkhan |
 Mongolia
|
Weightlifting | Metandienone | |
| Obiero David |
 Kenya
|
Weightlifting | ||
| Dimitrii Davidenco |
 Moldova
|
Weightlifting | Stanozolol | |
| Edgar Davids |
 Netherlands
|
Football (soccer) | Nandrolone | |
| Ceri Davies |
United Kingdom
|
Rugby | Drostanolone | |
| Zviad Davitiani |
 France
|
Water polo | Cocaine | |
| Mohsen Davoodi |
 Iran
|
Weightlifting | Metandienone | |
| Alina Davydchenko |
 Ukraine
|
Weightlifting | Methyltestosterone | |
| Deco |
 Portugal
|
Football (soccer) | Furosemide | |
| Michael de Angelis |
 Italy
|
Ice hockey | Ephedrine | |
| Frank de Boer |
Netherlands
|
Football (soccer) | Nandrolone | |
| Samuel de Bona |
 Brazil
|
Swimming | Methylhexaneamine | |
| Francesco De Bonis |
Italy
|
Cycling | ||
| Rusmin Dedić |
 Slovenia
|
Football (soccer) | Testosterone | |
| Gervasio Deferr |
 Spain
|
Gymnastics | Cannabis | |
| Thomas Dekker |
Netherlands
|
Cycling | EPO | |
| Efrain de la Rosa |
 Dominican Republic
|
Weightlifting | Stanozolol, Hydroxystanozolol | |
| Flávia Delaroli |
Brazil
|
Swimming | Tuaminoheptane | |
| Vilimoni Delasau |
 Fiji
|
Rugby union | Cannabis | |
| Carlo Del Fava |
Italy
|
Rugby | ||
| Bernardo de Figueiredo |
Brazil
|
Swimming | Methylhexaneamine | |
| Luca De Matteis |
Italy
|
Swimming | Tuaminoheptane | |
| Jacques Demers |
Canada
|
Weightlifting | Steroids | |
| Maria Demertzi |
 Greece
|
Swimming | Testosterone | |
| Vasileios Demetis |
Greece
|
Swimming | Caffeine | |
| Demir Demirev |
 Bulgaria
|
Weightlifting | Steroids | |
| Vincent de Nardi |
France
|
Water polo | Cannabis | |
| Daynara de Paula |
Brazil
|
Swimming | Furosemide | |
| João Derly |
Brazil
|
Judo | Diuretics | |
| Cristoforos Dermitzakis |
Greece
|
Water polo | Pseudoephedrine | |
| Kasun De Silva |
 Sri Lanka
|
Rugby union | cannabis | |
| Pamela Alencar de Souza |
Brazil
|
Swimming | Methylhexaneamine | |
| Serge Despres |
Canada
|
Bobsledding | Nandrolone | |
| Frankie Dettori |
 Ireland
|
Horse racing | Cocaine | |
| Lindsay Devaney |
United States
|
Swimming | Refusal to submit to doping test | |
| Kavita Devi |
 India
|
Weightlifting | ||
| Kunjarani Devi |
India
|
Weightlifting | Strychnine | |
| Monika Devi |
India
|
Weightlifting | ||
| Sukhen Dey |
India
|
Weightlifting | Methylhexaneamine | |
| Nick Diaz |
United States
|
Mixed martial arts | cannabis | |
| Mark Dickel |
 New Zealand
|
Basketball | Cannabis | |
| Aurimas Didžbalis |
 Lithuania
|
Weightlifting | Dehydrochlormethyltestosterone | |
| Danilo Di Luca |
Italy
|
Cycling | EPO | |
| Ludo Dierckxsens |
 Belgium
|
Cycling | Cortisone | |
| Roland Diethart |
 Austria
|
Cross-country skiing | Violation of blood doping rules | |
| Robert Dietrich |
 Germany
|
Ice hockey | Missed test | |
| Ben Dietvorst |
Belgium
|
Water polo | Cannabis | |
| Bert Dietz |
Germany
|
Cycling | Erythropoietin (EPO) (self-admitted) | |
| Arthur Dilman |
 Kazakhstan
|
Swimming | Furosemide | |
| Eva Maria Dimas |
 El Salvador
|
Weightlifting | Nandrolone | |
| Vasilka Dineva |
Bulgaria
|
Weightlifting | Metandienone | |
| Ding Haifeng |
China
|
Weightlifting | ||
| Nuria Diosdado |
 Mexico
|
Swimming | Clenbuterol | |
| Simon Pietro Di Santos |
Italy
|
Swimming | Cannabis | |
| Estera Dobre |
Romania
|
Wrestling | Furosemide | |
| Tony Dodson |
United Kingdom
|
Boxing | ||
| Harun Doğan |
 Turkey
|
Wrestling | Metenolone, Ephedrine | |
| Jerramie Domish |
United States
|
Ice hockey | ||
| Isabell Donath |
Germany
|
Swimming | Missed test | |
| Armando dos Santos |
Brazil
|
Bobsledding | Nandrolone | |
| John Donnelly |
United Kingdom
|
Boxing | Benzoylecgonine | |
| Sabina Dostalova |
 Czech Republic
|
Swimming | Methandienone | |
| Juan Pablo Dotti |
 Argentina
|
Cycling | Amphetamines | |
| Matej Douda |
Czech Republic
|
Volleyball | Cannabinoids | |
| Mikhail Dovgalyuk |
Russia
|
Swimming | ||
| Izabela Dragneva |
Bulgaria
|
Weightlifting | Furosemide | |
| Alban Dragusha |
 Albania
|
Football (soccer) | Nandrolone | |
| Nicolas Dran |
France
|
Volleyball | Cocaine | |
| Volha Dryla |
 Belarus
|
Weightlifting | Stanozolol | |
| Ioannis Drymonakos |
Greece
|
Swimming | Methyltrienolone | |
| Laurent Dufaux |
 Switzerland
|
Cycling | Erythropoietin (EPO) | |
| Christophe Dugarry |
France
|
Football (soccer) | Nandrolone | |
| Matt Dumontelle |
Canada
|
Curling | Methandienone | |
| Terry Dunstan |
United Kingdom
|
Boxing | ||
| Antony Dupuis |
France
|
Tennis | Salbutamol | |
| Jamie Durbin |
United Kingdom
|
Rugby League | Stanozolol | |
| Johannes Dürr |
Austria
|
Cross-country skiing | Erythropoietin | |
| Myroslav Dykun |
United Kingdom
|
Wrestling | Methamphetamine | |
| Gamlet Dzhioyev |
Russia
|
Wrestling | ||
| Alexander Dzyuba |
Kazakhstan
|
Weightlifting | Stanozolol |