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

NameCountryEventBanned substance(s)Reference(s)Caba NadjWeightliftingMethandienoneSanctioned athletes .Ammar NajiWeightliftingMetandienone, Stanozolol, Hydroxystanozolol Kazuhiro NakamuraMixed martial artsCannabisRyan NapoleonSwimmingFormoterol2010 Doping Cases Report .Bayarmaa NamkhaidorjWeightliftingMethylhexaneamineSireli NaqelevukiRugby unionCannabisDion NashCricketCannabisRamin NasriSwimmingBetamethasone2004 Doping Cases Report .Samir NasriFootball (soccer)Excessive intravenous therapyPaweł NastulaMixed martial artsNandroloneAndris NaudužsCyclingAnabolic steroid Rostyslav NaumchykWater poloCannabis2006 Doping Cases Report Mohammad NawazCricketCarboxy-THCPeter Nemeth Weightlifting MetandienonePavel NesterenkoPowerliftingMarek NesvacilVolleyballCannabinoids2012 Anti-Doping Rule Violations.Moisés Dueñas NevadoCyclingErythropoietin (EPO)Hernâni NevesFootball (soccer)CocaineVania NevesSwimmingPrednisone2009 Doping Cases Report .Ryan NewportTennisANTI-DOPING PARTICIPANT SUSPENSIONS.Shaun NewtonFootball (soccer)CocaineTerry NewtonRugbyHGHWakefield hooker axed for doping.Lars Brian NielsenCyclingCaffeineMark NielsenTennisFinasterideIvan Nieto AgundizWeightliftingNandroloneJosefi Nikola Weightlifting Pornilai NilpetchWeightliftingMethandienonePatrik NilsonIce hockeyNandrolonUlf NilssonIce hockeyEphedrineNing ZetaoSwimmingClenbuterol2011 Doping Cases Report .J. NithiyanandanSwimmingStanozolol2011 Doping Cases Report .Carola NitschkeSwimmingAnabolic steroids (self-admitted)Otis NixonBaseballCocaineSangov NizomWeightliftingMethylhexaneamineJoakim NoahBasketballLGD-4033Alexandre NogueiraMixed martial artsBoldenoneAbdul NooriWeightliftingT/E 14,6, Clostebol, MethylhexamineJordan NorbertoBaseballPerformance-enhancing drugsFranny NortonHorse racingMetabolite of cocaineAnosheravan NourianBoxingEphedrineKarel NováčekTennisCocaineJan NovakWater poloCannabisNikita NovikovCyclingSelective Androgen Receptor ModulatorsJoseph N'SimaBasketballEphedrineKanayut NuchcharpenpolWeightliftingMethandienoneAbraham NúñezBaseballPerformance-enhancing substanceDaniel NúñezWeightliftingAnabolic steroidsVanessa Nunez Weightlifting MetandienoneJon NunnallyBaseballFurosemideTaylan NurcanWeightliftingMethandienoneNzubechi Grace NwokochaTrack and FieldOstarine and LigandrolEbba NybergSwimming1,4,6-trien-3, 17dionJohan Nystrom Weightlifting Metandienone

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