| J. KodamaGoalkeeper |  Tochigi City | 🇯🇵Japan | 29 | 0 | 0 | 0 | 1.9 | 0 | 16 |
| J. KnutsenCentre-back | Skeid | 🇳🇴Norway | 28 | 0 | 0 | 0 | 1.2 | 0 | 17 |
| J. KnollmüllerCentre-forward |  FC BW Linz | 🇦🇹Austria | 23 | 7 | 0 | 0 | 6.6 | 0 | 34 |
| J. KnightCentre-back | Reading | 🏴England | 29 | 1 | 0 | 0 | 3.6 | 10▲75.9%↩ | 43▲24.6%↩ |
| J. KnightCentral midfielder |  Bristol City | 🇮🇪Republic of Ireland | 25 | 7 | 1 | 0 | 26.7 | 22±0% | 64±0% |
| J. KnapíkCentre-back |  Slovan Liberec | 🇨🇿Czechia | 25 | 0 | 0 | 0 | 7.1 | 0 | 1 |
| J. KluivertCentral midfielder |  Bournemouth | 🇳🇱Netherlands | 27 | 4 | 1 | 0 | 67.2 | 10±0% | 62±0% |
| J. KlinsmannGoalkeeper |  Cesena | 🇺🇸USA | 29 | 35 | 0 | 1 | 10.3 | 10▼36.7% | 45▼8.3% |
| J. KlimentCentre-forward |  Sigma Olomouc | 🇨🇿Czechia | 33 | 12 | 1 | 0 | 0.8 | 3▼64.5%↩ | 1▼98.2%↩ |
| J. KlímaCentre-forward |  Mlada Boleslav | 🇨🇿Czechia | 29 | 20 | 3 | 1 | 3.1 | 8 | 1 |
| J. KleinCentral midfielder |  Charleston Battery | 🇺🇸USA | 26 | 11 | 1 | 0 | 3.4 | 6▼34.1%↩ | 27▼29.7%↩ |
| J. KjærWinger |  Mjallby AIF | 🇩🇰Denmark | 22 | 16 | 2 | 1 | 4.2 | 17▲85.6% | 34±0% |
| J. KiwiorCentre-back |  FC Porto | 🇵🇱Poland | 26 | 6 | 1 | 0 | 21.8 | 71±0% | 59±0% |
| J. KitolanoCentre-back |  Kristiansund BK | 🇳🇴Norway | 26 | 3 | 0 | 0 | 5.4 | 8▼25.7%↩ | 30▲8.8%↩ |
| J. KitolanoDefensive midfielder |  Bodo/Glimt | 🇳🇴Norway | 25 | 6 | 0 | 0 | 6.3 | 5▼90.9%↩ | 35▼49.6%↩ |
| J. KirbyCentre-forward |  Ostersunds FK | 🏴England | 30 | 25 | 2 | 0 | 0.7 | 9▼61.3%↩ | 14▼29.4%↩ |
| J. KinjoCentral midfielder | Sagamihara | 🇯🇵Japan | 29 | 0 | 0 | 0 | 0.6 | 0 | 13 |
| J. KingCentre-back |  Brisbane Roar | 🇦🇺Australia | 25 | 9 | 1 | 0 | 1.1 | 29▲595.2%↩ | 19▼49.6%↩ |
| J. KingCentre-forward |  Al Khaleej Saihat | 🇳🇴Norway | 34 | 3 | 1 | 0 | 1.1 | 64±0% | 20±0% |
| J. KindbergGoalkeeper |  Kalmar FF | 🇸🇪Sweden | 32 | 7 | 0 | 0 | 0.7 | 2▼48.9% | 12▲48.1% |
| J. KimmichAttacking midfielder |  Bayern München | 🇩🇪Germany | 31 | 3 | 0 | 2 | 7.8 | 35±0% | 43±0% |
| J. KiloDefensive midfielder |  ADO Den Haag | 🇫🇮Finland | 24 | 6 | 0 | 1 | 26.6 | 37±0% | 63±0% |
| J. KiilerichCentre-back |  Zulte Waregem | 🇩🇰Denmark | 26 | 6 | 0 | 0 | 14.5 | 25▲2.9% | 52▲3% |
| J. KiharaCentre-forward |  Tegevajaro Miyazaki | 🇯🇵Japan | 24 | 0 | 0 | 0 | 5.5 | 0 | 23 |
| J. KeyCentre-back |  Swansea | 🏴England | 26 | 6 | 0 | 0 | 24.2 | 18±0% | 57±0% |
| J. KerskenGoalkeeper |  Arminia Bielefeld | 🇩🇪Germany | 26 | 5 | 0 | 1 | 17.7 | 11±0% | 62▲7.1% |
| J. KerrCentre-back |  Hibernian | 🏴Scotland | 29 | 6 | 0 | 0 | 3.4 | 29±0% | 31▲3.3%↩ |
| J. KerkdijkCentre-back |  Heracles | 🏳️ | 0 | 0 | 0 | 0 | 3.1 | 0 | 21 |
| J. KeptoukouaCentre-forward |  RWDM | 🏳️ | 18 | 2 | 0 | 0 | 5.5 | 0 | 37 |
| J. KennyFull-back |  PAOK | 🏴England | 29 | 4 | 0 | 1 | 2.9 | 38±0% | 26±0% |
| J. KennyCentre-forward |  Preston | 🇮🇪Republic of Ireland | 23 | 3 | 0 | 0 | 23.9 | 15▼12.1%↩ | 46▼0.6%↩ |
| J. KennerydCentre-back |  IFK Varnamo | 🇸🇪Sweden | 22 | 0 | 0 | 0 | 1.7 | 0 | 22 |
| J. KellyCentral midfielder | Charleston Battery | 🇺🇸USA | 28 | 4 | 0 | 0 | 1.4 | 1▼96.4%↩ | 19▼51.1%↩ |
| J. KeanGoalkeeper |  Burton Albion | 🏴England | 35 | 0 | 0 | 0 | 0.4 | 0 | 6 |
| J. KayembeFull-back |  Genk | 🇨🇩Congo DR | 32 | 6 | 1 | 0 | 4.2 | 25▲13.9% | 22▼0.9% |
| J. KayCentre-back | Sheffield Wednesday | 🏳️ | 16 | 0 | 0 | 0 | 6.1 | 0 | 54 |
| J. KaukoCentral midfielder | Free Agents | 🇫🇮Finland | 36 | 8 | 0 | 1 | 0.2 | 20 | 7 |
| J. KatoCentral midfielder |  Imabari | 🇯🇵Japan | 31 | 10 | 0 | 0 | 1.4 | 0 | 16 |
| J. KarnerCentral midfielder |  TSV Hartberg | 🇦🇹Austria | 21 | 1 | 0 | 0 | 6.3 | 0 | 36 |
| J. KarlströmCentral midfielder |  Udinese | 🇸🇪Sweden | 31 | 4 | 1 | 0 | 8.2 | 33±0% | 45±0% |
| J. KarlssonCentre-back |  Vejle | 🇸🇪Sweden | 25 | 10 | 0 | 0 | 5.5 | 6▼62.7%↩ | 29▼5.5%↩ |
| J. KarlssonFull-back |  Vasteras SK FK | 🇸🇪Sweden | 22 | 20 | 0 | 1 | 4.2 | 16▲422.6%↩ | 34▲9%↩ |
| J. KarlssonCentral midfielder |  Servette FC | 🇸🇪Sweden | 28 | 18 | 5 | 0 | 7.1 | 24▲157.6%↩ | 36▼39.7%↩ |
| J. KarleseAttacking midfielder |  Golden Arrows | 🇿🇦South Africa | 24 | 18 | 2 | 3 | 1.3 | 10 | 2 |
| J. KaparosCentral midfielder |  Patro Eisden | 🇳🇱Netherlands | 24 | 6 | 0 | 0 | 7.1 | 1▼89.7%↩ | 36▼6.5%↩ |
| J. KaniaWinger |  De Graafschap | 🇩🇪Germany | 24 | 6 | 3 | 0 | 13.8 | 4▼4.5%↩ | 47▼6.9%↩ |
| J. KanayamaGoalkeeper | Fagiano Okayama | 🇯🇵Japan | 38 | 0 | 0 | 0 | 0.2 | 0 | 2 |
| J. KanaCentre-forward |  RSC Anderlecht II | 🇧🇪Belgium | 20 | 2 | 0 | 0 | 6.2 | 1▼89.8% | 37▼14.5% |
| J. KanaCentral midfielder | RSC Anderlecht II | 🏳️ | 19 | 11 | 1 | 1 | 7.9 | 13 | 43 |
| J. KamińskiCentral midfielder |  Benfica | 🇵🇱Poland | 24 | 1 | 0 | 0 | 19.2 | 60±0% | 82±0% |
| J. KałuzińskiCentral midfielder |  Başakşehir | 🇵🇱Poland | 23 | 4 | 0 | 0 | 9.1 | 7±0% | 43±0% |
| J. KalumbaWinger |  Mallorca | 🇫🇷France | 21 | 3 | 0 | 0 | 21.5 | 0 | 64 |
| J. KaluluFull-back |  Angers | 🇫🇷France | 21 | 3 | 0 | 0 | 35 | 39±0% | 67±0% |
| J. KaluWinger |  Beitar Jerusalem | 🇳🇬Nigeria | 28 | 33 | 6 | 2 | 4.6 | 26▲1.2%↩ | 32▲7.1%↩ |
| J. KalisvaartDefensive midfielder |  Almere City FC | 🇳🇱Netherlands | 22 | 2 | 0 | 0 | 12.9 | 13±0% | 53±0% |
| J. KadileWinger |  Lens | 🇫🇷France | 23 | 13 | 6 | 10 | 45.3 | 30▲2.4%↩ | 42▼38.7%↩ |
| J. KadijevicGoalkeeper |  Gimnasia L.P. | 🇦🇷Argentina | 22 | 2 | 0 | 0 | 11.1 | 0 | 41 |
| J. KadijevicGoalkeeper | Gimnasia L.P. | 🏳️ | 21 | 2 | 0 | 0 | 10.7 | 6 | 45 |
| J. KadeCentral midfielder |  Emmen | 🇩🇪Germany | 27 | 1 | 0 | 0 | 9.9 | 0▼100% | 32▼40.9% |
| J. KadákCentral midfielder |  Dukla Praha | 🇸🇰Slovakia | 25 | 15 | 1 | 1 | 8.4 | 9 | 1 |
| J. KäckCentre-forward |  Trelleborg | 🇸🇪Sweden | 20 | 13 | 0 | 0 | 1.5 | 0▼100% | 23▼14% |
| J. KabiaCentral midfielder | Grimsby | 🇮🇪Republic of Ireland | 26 | 0 | 2 | 0 | 2.8 | 5▲1075%↩ | 26▼34.9%↩ |
| J. KabiaCentre-forward |  Leyton Orient | 🏳️ | 25 | 6 | 2 | 0 | 9.2 | 8 | 41 |
| J. JustvanAttacking midfielder |  1. FC Nürnberg | 🇩🇪Germany | 28 | 5 | 3 | 1 | 9.9 | 48±0% | 53±0% |
| J. JustinDefensive midfielder |  Leeds | 🏴England | 28 | 4 | 0 | 0 | 37.5 | 30▲5.7% | 58▲1.2% |
| J. JuranovićFull-back |  Union Berlin | 🇭🇷Croatia | 31 | 3 | 0 | 2 | 7.4 | 5±0% | 28±0% |
| J. JuniorCentre-forward | Sandviken | 🇳🇬Nigeria | 34 | 0 | 0 | 0 | 0.1 | 30▼59.8% | 4▼82.9% |
| J. JuliussonCentre-back | Kristiansund BK | 🏳️ | 21 | 17 | 0 | 0 | 7.1 | 23 | 44 |
| J. JulesCentral midfielder |  Aris Thessalonikis | 🇨🇲Cameroon | 28 | 0 | 0 | 0 | 2 | 0▼100% | 21▼40.3% |
| J. JugasCentre-back |  Zlin | 🇨🇿Czechia | 34 | 8 | 0 | 0 | 1 | 6▼41%↩ | 0▼98.1%↩ |
| J. JuckelCentre-forward |  Energie Cottbus | 🇩🇪Germany | 22 | 2 | 0 | 0 | 18.2 | 0▼100% | 36▼6.7% |
| J. JuárezCentre-back | San Martin Tucuman | 🇦🇷Argentina | 30 | 11 | 0 | 0 | 2.3 | 16 | 20 |
| J. JoronenGoalkeeper |  Palermo | 🇫🇮Finland | 33 | 37 | 0 | 0 | 7 | 59▲4121.4%↩ | 29▲4%↩ |
| J. JørgensenCentral midfielder | Egersund | 🇳🇴Norway | 20 | 0 | 0 | 0 | 2.7 | 0 | 28 |
| J. JønssonAttacking midfielder |  Aarhus | 🇩🇰Denmark | 33 | 2 | 1 | 0 | 1 | 9▼18.3%↩ | 9▼39.6%↩ |
| J. JonesWinger |  Bromley | 🇲🇹Malta | 28 | 40 | 9 | 5 | 6 | 28▲92.3%↩ | 26▼8.5%↩ |
| J. JonesCentre-back |  Louisville City | 🇺🇸USA | 23 | 3 | 0 | 0 | 3.3 | 0 | 28 |
| J. JonesCentre-back |  Kryvbas KR | 🏳️ | 20 | 12 | 0 | 0 | 5.2 | 11 | 37 |
| J. JonesCentre-back | Sunderland | 🏳️ | 19 | 0 | 0 | 0 | 66.4 | 0 | 72 |
| J. JohnsonFull-back |  Luton | 🏴England | 20 | 2 | 0 | 0 | 7.6 | 16±0% | 46±0% |
| J. JohanssonCentre-forward |  Norrby IF | 🇸🇪Sweden | 26 | 24 | 1 | 0 | 1.6 | 7±0% | 21▼9%↩ |
| J. JimohCentral midfielder |  Aston Villa | 🏴England | 19 | 1 | 0 | 0 | 64.6 | 0 | 73 |
| J. JiménezDefensive midfielder |  Alianza Valledupar | 🇨🇴Colombia | 25 | 4 | 0 | 0 | 1.5 | 1 | 20 |
| J. JezierskiDefensive midfielder |  Fredrikstad | 🇵🇱Poland | 22 | 5 | 0 | 0 | 6 | 2▼48.9%↩ | 35▼15.3%↩ |
| J. JezicCentral midfielder |  NK Osijek | 🏳️ | 17 | 3 | 0 | 0 | 2.9 | 0 | 30 |
| J. JevremovićAttacking midfielder |  Železničar Pančevo | 🇷🇸Serbia | 22 | 27 | 3 | 0 | 5.5 | 10 | 37 |
| J. JessenFull-back |  Kasımpaşa | 🇩🇰Denmark | 22 | 3 | 0 | 0 | 9.4 | 51▲3.4%↩ | 48±0% |
| J. JeřábekCentral midfielder | Dukla Praha | 🇨🇿Czechia | 25 | 0 | 0 | 0 | 7.5 | 0 | 1 |
| J. Jensen-AbbewCentre-back | ADO Den Haag | 🇩🇰Denmark | 24 | 2 | 0 | 0 | 23.4 | 4±0% | 37±0% |
| J. JendrykaAttacking midfielder |  Raków Częstochowa | 🏳️ | 18 | 3 | 1 | 0 | 3.6 | 6 | 34 |
| J. JaraCentral midfielder | Chaco For Ever | 🇦🇷Argentina | 23 | 0 | 0 | 0 | 5.5 | 0 | 31 |
| J. JannehDefensive midfielder |  Debreceni VSC | 🇸🇱Sierra Leone | 23 | 27 | 0 | 1 | 7.4 | 24▼5.2%↩ | 55▼8.3%↩ |
| J. JanitzekCentre-back |  SV Wehen | 🇩🇪Germany | 22 | 36 | 1 | 1 | 8.5 | 27▲232.9% | 43▲8.9% |
| J. JamesCentre-back |  San Lorenzo | 🇦🇷Argentina | 25 | 8 | 0 | 0 | 8.6 | 6▲3.6%↩ | 32▼27.3%↩ |
| J. JamesAttacking midfielder |  Wolves | 🏴Wales | 22 | 5 | 1 | 0 | 26.9 | 39▲4.9%↩ | 72▲5.4%↩ |
| J. JakubkoCentre-back |  Teplice | 🇸🇰Slovakia | 22 | 9 | 0 | 1 | 8.5 | 6 | 2 |
| J. JacquetCentre-back |  Liverpool | 🇫🇷France | 21 | 4 | 0 | 0 | 83.2 | 27▲5%↩ | 83▲7.6%↩ |
| J. JacobsDefensive midfielder | Almere City FC | 🇳🇱Netherlands | 28 | 3 | 0 | 0 | 5.4 | 4±0% | 34±0% |
| J. JacksonGoalkeeper |  Monterey Bay | 🇺🇸USA | 26 | 4 | 0 | 0 | 4 | 2 | 32▼5.3%↩ |
| J. IzumisawaCentral midfielder |  FC Gifu | 🇯🇵Japan | 34 | 19 | 0 | 0 | 0.2 | 3 | 6 |
