This is a list of Spanish football transfers for the winter sale in La Liga and the Segunda División.
The Spanish winter transfer window opened on 2 January 2021, although a few transfers were announced prior to that date. The window closed at midnight on 31 January 2021. Players without a club can join one at any time, either during or in between transfer windows. Clubs below La Liga level can also sign players on loan at any time. If need be, clubs can sign a goalkeeper on an emergency loan, if all others are unavailable.
Winter 2020–21 La Liga transfer window
Date Name Moving from Moving to Fee UdineseMirandésLoanEibar FC DallasUndisclosedZaragoza Apollon LimassolUndisclosed Dinamo BucureștiMálagaUndisclosed WatfordVillarrealUndisclosed Dinamo BucureștiReal OviedoUndisclosed Sporting CP BAlmeríaLoan Mainz 05Celta VigoLoanUnattachedAlbaceteFreeBarcelonaGetafeLoanReal MadridGetafeLoan ArisCartagenaLoanAtlético MadridOsasunaLoanCádizTenerifeLoanSporting GijónSadabellLoan LyonAtlético MadridLoan PanathinaikosCartagenaFreeReal Madrid Eintracht FrankfurtLoanLeganésValencia BLoanUnattachedCartagenaFreeAtlético MadridFuenlabradaLoanGironaElcheLoanAlmeríaZaragozaLoanCádiz EmmenLoanGetafeCartagenaFreeUnattachedLugoFreeEibar TondelaLoan Dinamo BucureștiEibarFreeGironaGimnàsticFreeMallorcaZaragozaLoanOsasunaLeganésLoanEibar AlanyasporLoanLeganésAlcorcónFreeCastellónLlagosteraLoanAlmeríaPonferradinaLoanAlbaceteUCAM MurciaLoanAlbaceteLas RozasLoanReal ValladolidCastellónFreeReal OviedoRacingLoanAtlético MadridCádizLoanReal Sociedad Wolverhampton WanderersLoanEspanyolMirandésFree Racing ClubCelta VigoUndisclosedSevillaReal Sociedad€10mZaragozaBadalonaLoanCastellónReal MurciaLoan AtalantaSevillaUndisclosedOsasunaCartagenaFreeAtlético MadridZaragozaLoan LilleValenciaLoanReal Madrid ArsenalLoanReal OviedoCartagenaFreeZaragozaUCAM MurciaLoanAthletic BilbaoReal ValladolidLoanSporting Gijón MjällbyLoan EupenAlcorcónLoanCastellónUCAM MurciaLoanVillarrealGetafeLoan Wolverhampton WanderersValenciaLoan BenficaValenciaLoanCádizMallorcaLoanCartagenaCádizUndisclosedCádizLogroñésLoanHuescaAlcorcónLoan Manchester UnitedAlavésLoanReal Betis TorinoUndisclosedPonferradinaCórdobaLoanValenciaCádizLoanAlmeríaLugoLoanAlbaceteCórdobaUndisclosedAlbacete TroyesUndisclosedGranadaCartagenaLoanCádizCastellónFreeEspanyolSporting GijónFreeAlabaceteReal Betis BLoanAthletic BilbaoAlavésLoan AnderlechtEspanyolLoanUnattachedFuenlabradaFree BenficaCelta VigoFreeCastellón Club AméricaLoan Tottenham HotspurElcheLoan Nottingham ForestRayo VallecanoUndisclosedGetafeVillarreal BLoanSevilla AjaxLoanCastellónGimnàsticLoanUnattachedLas PalmasFreeAlcorcónCultural DeportivaLoanAlcorcónCultural DeportivaLoan Aris ThessalonikiCartagenaLoanAlavésGranadaUndisclosedAtlético MadridMallorcaLoanVillarreal BMirandésLoan Leeds UnitedLas PalmasLoan Boca JuniorsReal ValladolidLoan CagliariValenciaLoanTenerifeGironaUndisclosedUnattachedLogroñésFree WatfordGranadaLoanGironaOsasunaLoan Los AngelesAlmeríaLoan BragaAlmeríaLoan Avispa FukuokaTenerifeUndisclosedAtlético Madrid BAlabaceteLoanBarcelona NiceLoanAtlético MadridTenerifeLoanLogroñés Würzburger KickersFree LazioHuescaLoanLevanteMallorcaLoanUnattachedAlcorcónFreeCelta Vigo West Bromwich AlbionLoanReal ValladolidPonferradinaLoan
References