| Kevin VillodresWinger |  Cordoba | 🇪🇸Spain | 25 | 4 | 0 | 0 | 20 | 13▲176.1% | 58▲7.2% |
| Kevin SánchezCentre-forward |  Deportivo La Coruna | 🇪🇸Spain | 21 | 1 | 0 | 0 | 40.4 | 0 | 53▼2.1% |
| K. MamahDefensive midfielder |  AD Ceuta FC | 🇳🇬Nigeria | 28 | 1 | 0 | 0 | 8.2 | 12▲19%↩ | 41▲72.9%↩ |
| K. KonéWinger | AD Ceuta FC | 🇨🇮Côte d'Ivoire | 29 | 2 | 0 | 1 | 7 | 19±0% | 42±0% |
| K. de RooijCentral midfielder |  Valladolid | 🇳🇱Netherlands | 25 | 4 | 0 | 0 | 20.7 | 37▼1.6%↩ | 67▲1.2%↩ |
| K. de La FuenteCentral midfielder |  Sporting Gijon | 🇺🇸USA | 25 | 5 | 0 | 0 | 21.3 | 14±0% | 59▲0.9%↩ |
| K. BambaWinger |  Granada CF | 🇫🇷France | 32 | 2 | 0 | 0 | 2.8 | 39▲2.4%↩ | 30▲7.8%↩ |
| K. AppinCentral midfielder |  Burgos | 🇲🇶Martinique | 28 | 3 | 0 | 0 | 9.1 | 24±0% | 44±0% |
| Julian Dean RijkhoffWinger |  FC Andorra | 🇳🇱Netherlands | 21 | 3 | 0 | 0 | 19.9 | 48▲6.9%↩ | 62▲1.5%↩ |
| Julen LobeteCentre-forward |  Malaga | 🇪🇸Spain | 26 | 1 | 0 | 0 | 34.6 | 12±0% | 60▲9.2% |
| Julen AgirrezabalaGoalkeeper |  Racing Santander | 🇪🇸Spain | 25 | 6 | 0 | 0 | 44.8 | 12±0% | 76±0% |
| JuanpaGoalkeeper |  Mirandes | 🇪🇸Spain | 26 | 26 | 0 | 0 | 22.4 | 2 | 53 |
| Juanmi LatasaCentre-forward | Valladolid | 🇪🇸Spain | 25 | 5 | 0 | 0 | 20.8 | 28±0% | 62±0% |
| Juanki FerrandoGoalkeeper |  Castellón | 🏳️ | 19 | 0 | 0 | 0 | 19.4 | 0 | 56 |
| Juanjo NietoDefensive midfielder | Castellón | 🇪🇸Spain | 31 | 5 | 0 | 0 | 4.8 | 6▼87.6%↩ | 25▼43.8%↩ |
| Juan SerranoFull-back | FC Andorra | 🇪🇸Spain | 24 | 1 | 0 | 0 | 20.5 | 4▼56.9%↩ | 49▼8%↩ |
| Juan SánchezCentre-forward | Cultural Leonesa | 🇪🇸Spain | 22 | 0 | 0 | 0 | 20 | 0 | 50 |
| Juan PérezGoalkeeper | Huesca | 🇪🇸Spain | 30 | 0 | 0 | 0 | 4.9 | 0 | 23▼39.5% |
| Juan José Flores CastroCentre-back | Granada CF | 🏳️ | 18 | 1 | 0 | 0 | 17.6 | 4±0% | 57±0% |
| Juan HerzogCentre-back |  Las Palmas | 🇪🇸Spain | 22 | 5 | 0 | 0 | 24 | 7±0% | 58±0% |
| Juan GutiérrezCentre-back | Mirandes | 🇪🇸Spain | 26 | 39 | 0 | 1 | 24.8 | 17±0% | 58±0% |
| Juan DíazCentre-back | Cadiz | 🇪🇸Spain | 20 | 0 | 0 | 0 | 18.6 | 0 | 52 |
| Juan CruzCentral midfielder | Malaga | 🇪🇸Spain | 26 | 5 | 0 | 0 | 36.2 | 34±0% | 58±0% |
| Juan Carlos AranaCentre-forward | Racing Santander | 🇪🇸Spain | 26 | 3 | 0 | 0 | 37 | 6±0% | 54±0% |
| Juan BerrocalCentre-back | Malaga | 🇪🇸Spain | 27 | 9 | 0 | 0 | 22.4 | 7±0% | 36▲25.7%↩ |
| Juan BernatFull-back |  Eibar | 🇪🇸Spain | 33 | 4 | 0 | 0 | 3.8 | 5▲4800% | 13▲18.6% |
| Josué DorrioWinger | Mirandes | 🇪🇸Spain | 32 | 15 | 0 | 2 | 3.4 | 4▼86.8%↩ | 19▼49.5%↩ |
| JosemaDefensive midfielder | AD Ceuta FC | 🇪🇸Spain | 23 | 1 | 0 | 0 | 20.9 | 1 | 52 |
| José SalinasCentre-back | Malaga | 🇪🇸Spain | 25 | 4 | 0 | 0 | 39.9 | 4±0% | 63±0% |
| José MatosCentre-back | AD Ceuta FC | 🇪🇸Spain | 31 | 5 | 0 | 0 | 3.9 | 37±0% | 35±0% |
| José GrageraDefensive midfielder | Burgos | 🇪🇸Spain | 26 | 5 | 0 | 0 | 20.8 | 6±0% | 48▼2.4%↩ |
| José CorpasCentral midfielder |  Albacete | 🇪🇸Spain | 35 | 5 | 0 | 0 | 1.5 | 41±0% | 27▼2.2%↩ |
| José CaroGoalkeeper | Las Palmas | 🇪🇸Spain | 32 | 5 | 0 | 0 | 6.1 | 0 | 17±0% |
| José ArnáizCentre-forward | Granada CF | 🇪🇸Spain | 31 | 5 | 0 | 0 | 4.5 | 34±0% | 33±0% |
| José Adam Arvelo LópezCentre-forward | Las Palmas | 🇪🇸Spain | 21 | 1 | 0 | 0 | 21 | 0 | 55 |
| Jorge SalinasFull-back | Racing Santander | 🇪🇸Spain | 19 | 6 | 0 | 1 | 42.4 | 35±0% | 78▲3.1% |
| Jorge SáenzCentre-back | Sporting Gijon | 🇪🇸Spain | 29 | 13 | 0 | 0 | 13.6 | 18▼37.3%↩ | 34▼42.1%↩ |
| Jorge PulidoCentre-back |  Almeria | 🇪🇸Spain | 35 | 4 | 0 | 0 | 1.6 | 34±0% | 25▲9.1%↩ |
| Jorge PascualCentre-forward | Granada CF | 🇪🇸Spain | 23 | 4 | 1 | 0 | 24.8 | 32±0% | 64±0% |
| Jorge DelgadoCentre-forward |  Cultural Leonesa | 🇪🇸Spain | 23 | 1 | 0 | 0 | 21.1 | 3±0% | 54▼6%↩ |
| Jorge BoteCentre-back | AD Ceuta FC | 🇪🇸Spain | 22 | 0 | 0 | 0 | 19.9 | 0 | 52 |
| Jordi MartínFull-back |  Huesca | 🇪🇸Spain | 25 | 18 | 0 | 1 | 23.4 | 10±0% | 51±0% |
| Jordi EscobarCentre-forward | AD Ceuta FC | 🇪🇸Spain | 24 | 5 | 1 | 0 | 22.4 | 12▲72.2%↩ | 58▲7.9%↩ |
| Jordi CanoCentre-forward | FC Andorra | 🇪🇸Spain | 31 | 3 | 1 | 1 | 4.4 | 9 | 23 |
| Jonathan Asp JensenCentral midfielder | Deportivo La Coruna | 🇩🇰Denmark | 20 | 4 | 0 | 0 | 39.8 | 36▼2.7%↩ | 48±0% |
| Jon MorcilloCentre-forward | Almeria | 🇪🇸Spain | 28 | 2 | 0 | 0 | 9.1 | 33▼6.6%↩ | 53▲9.5%↩ |
| Jon MikelGoalkeeper | Eibar | 🇪🇸Spain | 26 | 5 | 0 | 0 | 22.4 | 58±0% | 65±0% |
| Jon MagunazelaiaAttacking midfielder | Eibar | 🇪🇸Spain | 25 | 4 | 1 | 1 | 25 | 19±0% | 61±0% |
| Jon LópezCentral midfielder | Eibar | 🇪🇸Spain | 0 | 0 | 0 | 0 | 5.4 | 0 | 23 |
| Jon KarrikaburuCentre-forward | Burgos | 🇪🇸Spain | 24 | 3 | 1 | 1 | 25.4 | 0 | 65±0% |
| Jon GuruzetaAttacking midfielder | Eibar | 🇪🇸Spain | 26 | 5 | 3 | 1 | 23.9 | 21±0% | 56±0% |
| Jon GorrotxategiDefensive midfielder |  Real Sociedad II | 🇪🇸Spain | 24 | 30 | 1 | 3 | 35.9 | 34▼8.8%↩ | 86▲6.8%↩ |
| Jon GarroFull-back | Real Sociedad II | 🇪🇸Spain | 21 | 5 | 0 | 0 | 21.9 | 8±0% | 59±0% |
| Jon GarcíaCentre-back | Albacete | 🇪🇸Spain | 35 | 9 | 0 | 0 | 2.9 | 8▼70.1% | 11▼47.7% |
| Jon EceizabarrenaAttacking midfielder | Real Sociedad II | 🇪🇸Spain | 21 | 5 | 0 | 1 | 22.4 | 0▼100% | 53▼9.5% |
| Jon De Orue OtamendiCentre-back | Real Sociedad II | 🏳️ | 0 | 0 | 0 | 0 | 5.2 | 0 | 23 |
| Jon BautistaCentre-forward | Eibar | 🇪🇸Spain | 31 | 5 | 1 | 1 | 4.9 | 24±0% | 32±0% |
| Jon BaldaFull-back | Real Sociedad II | 🇪🇸Spain | 24 | 4 | 0 | 1 | 23.7 | 30±0% | 63±0% |
| Jokin EzkietaGoalkeeper |  Cadiz | 🇪🇸Spain | 30 | 5 | 0 | 0 | 5.9 | 10±0% | 38▼8.3%↩ |
| Joaquín MuñozCentral midfielder | Malaga | 🇪🇸Spain | 27 | 5 | 0 | 0 | 33.5 | 31±0% | 57±0% |
| Joaquín FernándezCentre-back | Huesca | 🇪🇸Spain | 30 | 2 | 0 | 0 | 4.9 | 0▼81%↩ | 23▲1.3%↩ |
| Joaquin DomingoCentre-back | Albacete | 🇪🇸Spain | 20 | 0 | 0 | 0 | 18.5 | 0 | 54 |
| JoaquínDefensive midfielder | AD Ceuta FC | 🇪🇸Spain | 25 | 5 | 0 | 0 | 20.3 | 13±0% | 54±0% |
| Jesús OwonoGoalkeeper | FC Andorra | 🇬🇶Equatorial Guinea | 25 | 20 | 0 | 0 | 27.4 | 7▲265%↩ | 66±0% |
| Jesús LópezGoalkeeper | Almeria | 🇪🇸Spain | 24 | 0 | 0 | 0 | 21.7 | 0 | 52 |
| JeséCentre-forward | Las Palmas | 🇪🇸Spain | 33 | 4 | 1 | 0 | 2.2 | 36▲46.5% | 23▲18.2% |
| Jefté BetancorCentral midfielder | Las Palmas | 🇪🇸Spain | 33 | 5 | 0 | 0 | 2.2 | 39±0% | 23▲3.1%↩ |
| Javier SoroetaCentre-forward | Real Sociedad II | 🏳️ | 20 | 3 | 0 | 0 | 19.8 | 0 | 55 |
| Javier SoroetaCentre-forward | Real Sociedad II | 🇪🇸Spain | 21 | 4 | 1 | 0 | 23.9 | 4 | 62 |
| Javi VillarCentral midfielder | Albacete | 🇪🇸Spain | 23 | 2 | 0 | 0 | 21 | 16±0% | 58±0% |
| Javi OntiverosCentral midfielder | Cadiz | 🇪🇸Spain | 29 | 2 | 0 | 0 | 6.8 | 8±0% | 39▲15.3% |
| Javi MuñozAttacking midfielder | Almeria | 🇪🇸Spain | 31 | 2 | 1 | 1 | 4.8 | 4±0% | 29±0% |
| Javi MorenoCentre-back | Albacete | 🇪🇸Spain | 26 | 2 | 0 | 0 | 18.4 | 20±0% | 52±0% |
| Javi MonteroCentre-back |  Leganes | 🇪🇸Spain | 27 | 28 | 1 | 0 | 25.6 | 20▲2.6%↩ | 49▼18.5%↩ |
| Javi MierDefensive midfielder | Huesca | 🇪🇸Spain | 27 | 13 | 1 | 0 | 19.2 | 13▲27.5% | 42▼24.2% |
| Javi MartónWinger | Eibar | 🇪🇸Spain | 27 | 5 | 0 | 0 | 18 | 42±0% | 54±0% |
| Javi LlabrésCentral midfielder | Burgos | 🇪🇸Spain | 24 | 5 | 1 | 0 | 24.4 | 0 | 53▼12.8%↩ |
| Javi GarridoGoalkeeper | Leganes | 🇪🇸Spain | 23 | 0 | 0 | 0 | 21.6 | 0 | 51 |
| Javi CastroCentre-back | Cadiz | 🇪🇸Spain | 26 | 5 | 1 | 0 | 21 | 18±0% | 57▼0.5%↩ |
| Jandro OrellanaDefensive midfielder | Cadiz | 🇪🇸Spain | 26 | 2 | 0 | 0 | 18.4 | 17±0% | 49±0% |
| Jan LagunasGoalkeeper | FC Andorra | 🏳️ | 0 | 0 | 0 | 0 | 4.9 | 0 | 25 |
| JamelliCentre-forward |  Zaragoza | 🇪🇸Spain | 33 | 29 | 5 | 2 | 5.6 | 23▲214.9%↩ | 23▼51.4%↩ |
| Jair AmadorCentre-back | Eibar | 🇵🇹Portugal | 37 | 2 | 0 | 0 | 0.4 | 24±0% | 16▲55.3% |
| Jaime SánchezCentre-back | Zaragoza | 🇪🇸Spain | 0 | 0 | 0 | 0 | 4.8 | 0 | 23 |
| Jaime EscarioCentral midfielder | Huesca | 🇪🇸Spain | 23 | 0 | 0 | 0 | 20.7 | 0 | 49 |
| J. VlakDefensive midfielder | Castellón | 🇳🇱Netherlands | 28 | 3 | 0 | 0 | 9.2 | 51▲6.9%↩ | 56▲17.1%↩ |
| J. TobajasCentral midfielder | Zaragoza | 🏳️ | 19 | 1 | 0 | 0 | 17.5 | 0 | 51 |
| J. SebastianFull-back | FC Andorra | 🏳️ | 23 | 1 | 0 | 0 | 20.9 | 10±0% | 57▲6%↩ |
| J. SalasCentre-back | Albacete | 🏳️ | 21 | 0 | 0 | 0 | 19.3 | 0 | 53 |
| J. RecobaWinger | Las Palmas | 🇺🇾Uruguay | 22 | 6 | 0 | 0 | 22.5 | 0 | 55 |
| J. PonceauCentral midfielder | Valladolid | 🇫🇷France | 25 | 5 | 0 | 0 | 21.7 | 33±0% | 62±0% |
| J. P. Gomez F.Centre-forward | Albacete | 🏳️ | 21 | 0 | 0 | 0 | 19.3 | 0 | 53 |
| J. OteroCentre-forward | Sporting Gijon | 🇨🇴Colombia | 31 | 5 | 1 | 0 | 4.7 | 62±0% | 37±0% |
| J. OleagaDefensive midfielder | Real Sociedad II | 🏳️ | 19 | 1 | 0 | 0 | 18.7 | 3±0% | 57±0% |
| J. OchiengWinger | Real Sociedad II | 🇰🇪Kenya | 23 | 25 | 9 | 2 | 35.3 | 30±0% | 64±0% |
| J. MellotCentre-back | Castellón | 🇫🇷France | 32 | 5 | 0 | 0 | 6 | 42±0% | 32±0% |
| J. Martinez LandaCentre-forward | Mirandes | 🏳️ | 0 | 5 | 0 | 0 | 5 | 0 | 23 |
| J. LagunasGoalkeeper | FC Andorra | 🏳️ | 18 | 0 | 0 | 0 | 16.9 | 0 | 54 |
| J. L. ArandaCentre-back | Valladolid | 🏳️ | 19 | 0 | 0 | 0 | 17.9 | 0 | 53 |
| J. HerreroCentral midfielder | Leganes | 🏳️ | 20 | 0 | 0 | 0 | 19.3 | 0 | 52 |
