This is a sub-list from List of doping cases in sport representing a full list of surnames starting with J.
Name Country Event Banned substance(s) Reference(s)Shayna JackSwimmingLigandrolMette JacobsenSwimmingPrednisolone, Prednisone2004 Doping Cases Report .Mahmoud JadaanSwimmingMetenoloneJörg JakscheCyclingErythropoietin (EPO)Laurent JalabertCyclingErythropoietin (EPO)Jiraporn JanchumWeightliftingMethandienoneSanctioned athletes .Paulo Bruno JaneiroSwimmingCannabis2011 Doping Cases Report .Michal JarczakGymnasticsTHCDaniel JardemyrIce hockeyAmphetamineSabri JariSwimmingRefusal to submit to doping test2007 Doping Cases Report .Omar JasikaTennisCocaineMohammed JassimWeightliftingCortisoneErnst Jean-JosephFootball (soccer)PhenmetrazineLeon JeanneFootball (soccer) BBC Sport Retrieved on 24 April 2009Genevieve JeansonCyclingErythropoietin (EPO)Brian Dalgaard JensenCyclingErythropoietin (EPO)Knud Enemark JensenCyclingAmphetaminesAubrey JesseauCanadian footballStanozololTomas JohanssonSport wrestlingAnabolic steroidsTherese JohaugCross-country skiingAnabolic steroid ClostebolBen JohnsonSprintingStanozololEddie JohnsonBasketballCocaineGea JohnsonAthletics (Hept)Anabolic steroidsGea JohnsonWeightliftingEpitestosteroneGea JohnsonCyclingModafinilWillie JohnstonFootball (soccer)ReactivanSoccer-media.com Harrison JonesDivingCannabisJaCoby JonesBaseballNon-performance-enhancing drugsRoy Jones Jr.BoxingAndrostenedione (Banned substance by the IBF but available legally over-the-counter in the US at time of use)Ahmad Joughili Weightlifting MetandienoneAlberto JoseWeightliftingMethandienone, DehydrochlormethyltestosteroneMi Naw Ju Weightlifting Rui Jorge Association footballBudesonide (ban lifted due to Sporting CP's failure to notify authorities of his medical exemption)Miguel JuarezSwimmingNandrolone2001 Doping Cases Report Olivera Juric Weightlifting MetandienoneLadislav JuskoWater poloCannabis2008 Doping Cases Report .
References