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PlayerClub/teamCountryPosition
Oršulić, MarinOmonia (CYP)CroatiaCroatiaMidfield
Ortiz, CésarAltach (AUT)SpainSpainDefender
OrtizInter (ESP) / Spain FUTSpainSpainDefender
Ortiz, CelsoAZ (NED)ParaguayParaguayMidfield
Ortiz, JuanmaAEK Larnaca (CYP)SpainSpainDefender
Ortiz, MalenaAzerbaijan WU19AzerbaijanAzerbaijanMidfield
Ortiz, SamaraAzerbaijan WU19AzerbaijanAzerbaijanForward
Örün, ErdincHamburg (GER)GermanyGermanyForward
Osako, YuyaKöln (GER)JapanJapanForward
OscarChelsea (ENG)BrazilBrazilMidfield
Óscar CardozoTrabzonspor (TUR)ParaguayParaguayForward
Osei, BarnesPaços Ferreira (POR)GhanaGhanaForward
Oshaniwa, JuwonHearts (SCO)NigeriaNigeriaDefender
O'Shaughnessy, DanielFinland U21FinlandFinlandDefender
O'Shea, JohnSunderland (ENG) / Republic of IrelandRepublic of IrelandRepublic of IrelandDefender
O'Shea, DaraRepublic of Ireland U17Republic of IrelandRepublic of IrelandDefender
Oshoala, AsisatLiverpool (ENG)NigeriaNigeriaForward
Osipov, AlexandruMoldova U17MoldovaMoldovaDefender
Óskarsson, RóbertFH (ISL) / IcelandIcelandIcelandGoalkeeper
Osman, LeonEverton (ENG)EnglandEnglandMidfield
Osman, AbdulPartick (SCO)GhanaGhanaMidfield
Osman AliStella Rossa (AUT)AustriaAustriaForward
Osmanković, KemalBosnia and Herzegovina U19Bosnia and HerzegovinaBosnia and HerzegovinaDefender
Ospelt, JustinVaduz (LIE) / Liechtenstein U17LiechtensteinLiechtensteinGoalkeeper
Ospina, DavidArsenal (ENG)ColombiaColombiaGoalkeeper
Osredkar, IgorNacional (CRO) / Slovenia FUTSloveniaSloveniaDefender
Ošs, DāvisLatvia U21LatviaLatviaGoalkeeper
Osso, JohnSwitzerland FUTSwitzerlandSwitzerlandForward
Ossowska, MartaPoland WU19PolandPolandMidfield
Østergaard, Maja BayDenmark WU19DenmarkDenmarkGoalkeeper
Ostrowska, KarolinaPoland WU19PolandPolandDefender
Ostrowski, KrzysztofŚląsk (POL)PolandPolandMidfield
Ostrowski, JanLuxembourg U17LuxembourgLuxembourgMidfield
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, RianRepublic of Ireland U17Republic of IrelandRepublic of IrelandForward
O'Sullivan, LauraWales WOCOWalesWalesGoalkeeper
Osvaldo , PabloPorto (POR) / ItalyItalyItalyForward
Osváth, AttilaVasas (HUN) / Hungary / Hungary U21HungaryHungaryDefender
Osyra, KornelPiast (POL)PolandPolandDefender
Otamendi, NicolásMan. City (ENG)ArgentinaArgentinaDefender
Otmani, MustaphaOmonia (CYP) / France FUTFranceFranceDefender
Oto'o, RandalTondela (POR)GabonGabonDefender
Ott, MelanieGermany WU19GermanyGermanyMidfield
Ottele, TomLuxembourg U21 / Luxembourg U19LuxembourgLuxembourgGoalkeeper
Ottesen, SölviWuhan Zall (CHN) / IcelandIcelandIcelandDefender
Otto, YariGermany U17GermanyGermanyForward
Otuwe, GiftMinsk (BLR)NigeriaNigeriaMidfield