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PlayerClub/teamCountryPosition
Ørnskov, MartinLyngby (DEN)DenmarkDenmarkMidfield
Oroș, CristianAstra (ROU)RomaniaRomaniaDefender
Oroz, MaiteAthletic (ESP) / Spain WU19SpainSpainMidfield
Orr, ChloeNorthern Ireland WU19Northern IrelandNorthern IrelandMidfield
Orsi, BenedettaItaly WU17ItalyItalyForward
Oršoja, VajdaSerbia WOCOSerbiaSerbiaDefender
Oršulić, MarinOmonia (CYP)CroatiaCroatiaMidfield
Ortiz, CésarAltach (AUT)SpainSpainDefender
OrtizInter (ESP) / Spain FUTSpainSpainDefender
Ortiz, JuanmaAEK Larnaca (CYP)SpainSpainDefender
Ortner, MarcAustria U19AustriaAustriaDefender
Ortolá, AdriánAlavés (ESP)SpainSpainGoalkeeper
Orujov, ElnurAzerbaijan U19AzerbaijanAzerbaijanGoalkeeper
Örün, ErdincHamburg (GER)GermanyGermanyForward
Orynbassar, RauanKazakhstan U19KazakhstanKazakhstanDefender
Osako, YuyaKöln (GER)JapanJapanForward
OscarChelsea (ENG)BrazilBrazilMidfield
ÓscarSpain U19SpainSpainForward
Óscar CardozoOlympiacos (GRE)ParaguayParaguayForward
Osei, BarnesPaços Ferreira (POR)GhanaGhanaForward
Osei, DerickFrance U19FranceFranceMidfield
Osei-Berkoe, TerryBelgium U19BelgiumBelgiumForward
Osetta, SaraVerona (ITA)ItalyItalyMidfield
Oshafi, AldritAlbania U17AlbaniaAlbaniaForward
Oshaniwa, JuwonHearts (SCO)NigeriaNigeriaDefender
O'Shaughnessy, DanielFinland U21FinlandFinlandDefender
O'Shea, JohnSunderland (ENG) / Republic of IrelandRepublic of IrelandRepublic of IrelandDefender
O'Shea, DaraRepublic of Ireland U19Republic of IrelandRepublic of IrelandDefender
Osipov, AlexandruMoldova U17MoldovaMoldovaForward
Óskarsson, RóbertVíkingur Reykjavík (ISL) / IcelandIcelandIcelandGoalkeeper
Osman, AbdulPartick (SCO)GhanaGhanaMidfield
Osmanoski, AnesFYR Macedonia U17FYR MacedoniaFYR MacedoniaMidfield
Ospelt, JustinVaduz (LIE) / Liechtenstein U21 / Liechtenstein U19LiechtensteinLiechtensteinGoalkeeper
Ospina, DavidArsenal (ENG)ColombiaColombiaGoalkeeper
Osredkar, IgorNacional (CRO) / Slovenia FUTSloveniaSloveniaDefender
Ošs, DāvisMETTA (LVA) / Latvia U21LatviaLatviaGoalkeeper
Ošs, MārcisJelgava (LVA) / LatviaLatviaLatviaDefender
Osso, JohnSwitzerland FUTSwitzerlandSwitzerlandForward
Ossowska, MartaPoland WU19PolandPolandMidfield
Ostrovski, ArtjomEstonia U17EstoniaEstoniaDefender
Ostrowska, ElizaPoland WU17PolandPolandDefender
Ostrowski, JanLuxembourg U19LuxembourgLuxembourgMidfield
Ostrzolek, MatthiasHamburg (GER)GermanyGermanyDefender
O'Sullivan, FionaRepublic of Ireland WOCORepublic of IrelandRepublic of IrelandForward
O'Sullivan, DeniseGlasgow City (SCO) / Republic of Ireland WOCORepublic of IrelandRepublic of IrelandMidfield
O'Sullivan, ThomasWales U21WalesWalesMidfield
O'Sullivan, LauraWales WOCOWalesWalesGoalkeeper
Osvaldo , PabloPorto (POR) / ItalyItalyItalyForward
Osváth, AttilaVasas (HUN) / Hungary / Hungary U21HungaryHungaryDefender
Osyra, KornelNieciecza (POL)PolandPolandDefender