# List of doping cases in sport (D)

This is a sub-list from List of doping cases in sport representing a full list of surnames starting with D.
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* I
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* Q
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* V
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* Z
| Name | Country | Event | Banned substance(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 |
| Niroshan Dickwella | Sri Lanka | Cricket | Cocaine |
| Aurimas Didžbalis | Lithuania | Weightlifting | Dehydrochlormethyltestosterone |
| 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 | |
| Danilo Di Luca | Italy | Cycling | EPO |
| 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 |