| J. WhatmoughCentre-back | Huddersfield | 🏴England | 30 | 1 | 0 | 0 | 2.1 | 2±0% | 24▲19.3% |
| J. WhitworthGoalkeeper | Wigan | 🏴England | 22 | 6 | 0 | 0 | 8.5 | 22±0% | 48±0% |
| J. WilliamsCentre-back | Blackpool | 🏴England | 27 | 9 | 1 | 0 | 8.3 | 16▼12.2%↩ | 58▲8%↩ |
| J. WillisCentre-back | Northampton | 🏴England | 32 | 16 | 1 | 0 | 0.8 | 14▲121.3% | 17▼29.4% |
| J. WormleightonDefensive midfielder | Northampton | 🏴England | 22 | 8 | 0 | 0 | 2.9 | 8▲62.7% | 39±0% |
| J. YatesCentre-forward | Blackpool | 🏴England | 29 | 7 | 2 | 0 | 3 | 9▼38.4%↩ | 26▼28.8%↩ |
| Jack KingdonCentre-back | Cardiff | 🏳️ | 19 | 3 | 0 | 0 | 20.8 | 3 | 43 |
| Jack PerkinsDefensive midfielder | Northampton | 🏴England | 23 | 1 | 0 | 0 | 2.6 | 0▼98.4% | 43±0% |
| Jack RichardsonCentral midfielder | Blackpool | 🏴England | 0 | 0 | 0 | 0 | 1.9 | 1 | 18 |
| Jack RogersCentral midfielder | Wigan | 🏴England | 24 | 0 | 0 | 0 | 7.9 | 0 | 37 |
| Jacob BorgnisCentral midfielder | Reading | 🏴England | 23 | 3 | 0 | 1 | 9.2 | 4 | 41 |
| Jamal WilliamsonCentre-forward | Burton Albion | 🏳️ | 0 | 3 | 0 | 0 | 2 | 0 | 17 |
| James ButterworthCentre-forward | Blackpool | 🏳️ | 0 | 1 | 0 | 0 | 1.9 | 0 | 18 |
| James DornellyFull-back | Peterborough | 🏴England | 21 | 5 | 0 | 1 | 8.4 | 16±0% | 45±0% |
| Jamie JellisDefensive midfielder | Rotherham | 🏴England | 25 | 3 | 0 | 0 | 2.6 | 0▼97.5%↩ | 31▲5.1%↩ |
| Jamie MullinsCentral midfielder | Wycombe | 🇮🇪Republic of Ireland | 22 | 3 | 0 | 0 | 8.3 | 26±0% | 50▲1.6% |
| Jayce FitzgeraldDefensive midfielder | Rotherham | 🏴England | 19 | 7 | 0 | 0 | 2.4 | 3 | 28 |
| Jayden ChambersCentral midfielder | Mansfield Town | 🏴England | 18 | 0 | 0 | 0 | 6.5 | 0 | 40 |
| Jeremiah Okine-PetersCentre-forward | Reading | 🏴England | 25 | 0 | 0 | 0 | 8 | 0 | 36 |
| Joe AstlesCentre-forward | Stockport County | 🏳️ | 0 | 4 | 0 | 0 | 2.1 | 0 | 19 |
| Joe HillaryCentral midfielder | Stockport County | 🏳️ | 0 | 0 | 0 | 0 | 2.1 | 0 | 18 |
| Joe KnightCentral midfielder | Stevenage | 🏴England | 21 | 1 | 0 | 0 | 14.1 | 0 | 71 |
| Joel PereiraGoalkeeper | Reading | 🇵🇹Portugal | 30 | 10 | 0 | 0 | 2.7 | 8▼7.9% | 31▲2% |
| Jonathan BlandCentre-back | Barnsley | 🏴England | 21 | 7 | 0 | 0 | 7.6 | 24±0% | 48±0% |
| Joseph AndrewsCentral midfielder | Peterborough | 🏴Wales | 20 | 1 | 0 | 0 | 7.2 | 0 | 38 |
| Joshua Alan PowellCentre-back | Northampton | 🏴England | 21 | 3 | 0 | 0 | 2.7 | 1▼95.5%↩ | 34▲9.2%↩ |
| Joshua FeeneyCentre-back | Peterborough | 🏴England | 21 | 7 | 0 | 0 | 8.4 | 24▲24.7%↩ | 51▲11.8%↩ |
| Joshua KeeleyGoalkeeper | Luton | 🇮🇪Republic of Ireland | 23 | 6 | 0 | 0 | 9.1 | 24±0% | 53±0% |
| Joziah BarnettCentral midfielder | Northampton | 🏳️ | 0 | 0 | 0 | 0 | 0.6 | 0 | 12 |
| Julio PleguezueloFull-back | Plymouth | 🇪🇸Spain | 29 | 8 | 1 | 1 | 3.5 | 4±0% | 24±0% |
| K. AbrefaFull-back | Reading | 🇬🇭Ghana | 22 | 22 | 0 | 2 | 10.3 | 9▼26% | 44▼2.4% |
| K. AdomWinger | Burton Albion | 🏴England | 25 | 7 | 0 | 0 | 8.2 | 0 | 37▲3.3% |
| K. BielikCentre-back | Cardiff | 🇵🇱Poland | 28 | 8 | 0 | 0 | 10.9 | 4▼72%↩ | 39±0% |
| K. CaseyCentre-back | Stevenage | 🏴England | 22 | 16 | 0 | 0 | 8.7 | 8 | 43 |
| K. ChaukeCentre-forward | Burton Albion | 🏴England | 23 | 11 | 1 | 1 | 9.8 | 18±0% | 47±0% |
| K. DempseyDefensive midfielder | Port Vale | 🏴England | 31 | 9 | 1 | 0 | 1.1 | 7▼61.1%↩ | 28▲32.5%↩ |
| K. DongWinger | Bolton | 🇫🇷France | 22 | 9 | 0 | 1 | 25.8 | 5▼81.9%↩ | 63▲1.8%↩ |
| K. DudekGoalkeeper | Burton Albion | 🇵🇱Poland | 20 | 1 | 0 | 0 | 7.6 | 0 | 39 |
| K. EdwardsWinger | Northampton | 🏴England | 28 | 13 | 0 | 0 | 1.2 | 0 | 25▼23.4%↩ |
| K. FigueroaWinger | Port Vale | 🇺🇸USA | 20 | 2 | 0 | 0 | 2.4 | 0 | 26 |
| K. FlavellCentral midfielder | Rotherham | 🏳️ | 22 | 0 | 0 | 0 | 2.7 | 2 | 37 |
| K. GrahamCentre-forward | Barnsley | 🏴England | 19 | 1 | 0 | 0 | 6.8 | 0 | 40 |
| K. JacksonCentre-forward | Bradford | 🏴England | 32 | 10 | 0 | 1 | 1.5 | 8±0% | 16±0% |
| K. JohnCentre-back | Port Vale | 🏴England | 25 | 4 | 0 | 0 | 2.7 | 7▼67.6% | 40±0% |
| K. KnoyleCentre-back | Mansfield Town | 🏴England | 30 | 5 | 0 | 0 | 2.1 | 23±0% | 30▲14.2% |
| K. LisbieWinger | Reading | 🏳️ | 21 | 4 | 1 | 1 | 9.8 | 6 | 49 |
| K. LofthouseAttacking midfielder | Burton Albion | 🏴England | 26 | 7 | 0 | 3 | 9.3 | 46±0% | 51±0% |
| K. LolosCentre-forward | Rotherham | 🇬🇷Greece | 25 | 7 | 0 | 0 | 3.9 | 0▼100%↩ | 36▼19.3%↩ |
| K. MfuambaCentral midfielder | Reading | 🏴England | 20 | 0 | 0 | 0 | 7.6 | 0 | 54 |
| K. NaismithFull-back | Luton | 🏴Scotland | 34 | 5 | 0 | 0 | 0.6 | 30±0% | 17±0% |
| K. NgwenyaCentre-back | Rotherham | 🏳️Malawi | 24 | 8 | 0 | 0 | 2.8 | 0▲300%↩ | 26▼34.6%↩ |
| K. NwakaliCentral midfielder | Barnsley | 🇳🇬Nigeria | 28 | 4 | 0 | 0 | 3.2 | 0▼97.1% | 25▼32.6% |
| K. PalmerWinger | Luton | 🇯🇲Jamaica | 29 | 9 | 3 | 2 | 4.1 | 21±0% | 28±0% |
| K. Simon-SwyerWinger | Northampton | 🏴England | 23 | 2 | 0 | 0 | 2.7 | 0▼100% | 39±0% |
| K. SpenceAttacking midfielder | Rotherham | 🏴England | 25 | 9 | 0 | 3 | 2.9 | 7▼59.3% | 40±0% |
| K. WoottonCentre-forward | Stockport County | 🏴England | 30 | 10 | 8 | 1 | 5 | 47±0% | 38▲11.7% |
| K'Marni MillerFull-back | Wigan | 🏴England | 20 | 2 | 0 | 0 | 7.1 | 0 | 39▼2.8% |
| Kairo PiperCentral midfielder | Burton Albion | 🏳️ | 0 | 1 | 0 | 0 | 2 | 1 | 18 |
| Kane RichardsonCentral midfielder | Rotherham | 🏴England | 19 | 2 | 0 | 0 | 2.3 | 1 | 38 |
| Karoy AndersonDefensive midfielder | Blackpool | 🇯🇲Jamaica | 22 | 9 | 1 | 0 | 9.2 | 11±0% | 43▲1.9% |
| Kasper WilliamsCentre-back | Doncaster | 🏴England | 19 | 1 | 0 | 0 | 6.9 | 0 | 39 |
| Kieran MorganCentral midfielder | Bradford | 🏴England | 20 | 1 | 0 | 0 | 7.8 | 12±0% | 65±0% |
| Kieren FlavellGoalkeeper | Barnsley | 🏴England | 23 | 0 | 0 | 0 | 8 | 0 | 38 |
| Killian CahillGoalkeeper | Leyton Orient | 🇮🇪Republic of Ireland | 22 | 16 | 0 | 1 | 10.4 | 4 | 42 |
| Kyreece LisbieWinger | Reading | 🏴England | 22 | 10 | 3 | 4 | 10.3 | 0 | 27▼5%↩ |
| Kyron Silveria GordonCentre-back | Stockport County | 🏴England | 24 | 9 | 0 | 0 | 10 | 26▲6400%↩ | 45▼24.3%↩ |
| L. AgbaireCentre-back | Rotherham | 🏴Scotland | 21 | 2 | 0 | 0 | 2.6 | 2▼81.6% | 40±0% |
| L. AkinsAttacking midfielder | Mansfield Town | 🇬🇩Grenada | 37 | 5 | 1 | 1 | 0.4 | 26±0% | 9±0% |
| L. AlkerCentral midfielder | Barnsley | 🏴England | 19 | 2 | 0 | 0 | 7.2 | 4 | 40 |
| L. Ashby-HammondGoalkeeper | Stockport County | 🏴England | 25 | 1 | 0 | 0 | 8.3 | 10±0% | 48▲12.8%↩ |
| L. AyindeWinger | Doncaster | 🏴England | 22 | 8 | 1 | 1 | 9.1 | 0 | 38 |
| L. BateAttacking midfielder | Stockport County | 🏴England | 24 | 10 | 0 | 4 | 10.4 | 2±0% | 40±0% |
| L. BoltonFull-back | Mansfield Town | 🏴England | 27 | 5 | 0 | 0 | 6.4 | 7±0% | 36▲11.8% |
| L. BriggsCentral midfielder | Northampton | 🏴England | 21 | 7 | 1 | 0 | 2.9 | 8 | 29 |
| L. BruntFull-back | Bolton | 🏴England | 25 | 7 | 0 | 0 | 25.4 | 9▲3.7%↩ | 55±0% |
| L. ClarksonAttacking midfielder | Blackpool | 🏴England | 25 | 8 | 1 | 0 | 8.4 | 7±0% | 41±0% |
| L. ConnellCentral midfielder | Barnsley | 🇮🇪Republic of Ireland | 25 | 6 | 0 | 0 | 7.9 | 41±0% | 46±0% |
| L. EvansCentral midfielder | Northampton | 🏴Wales | 32 | 6 | 0 | 1 | 0.6 | 2▼90.1%↩ | 21▲13.2%↩ |
| L. FioriniDefensive midfielder | Stockport County | 🏴Scotland | 24 | 7 | 0 | 0 | 8.9 | 3±0% | 42±0% |
| L. FraserCentral midfielder | Reading | 🇨🇦Canada | 28 | 4 | 0 | 0 | 3.5 | 13±0% | 31±0% |
| L. FreestoneCentre-back | Stevenage | 🏴England | 27 | 7 | 0 | 0 | 8.2 | 34±0% | 42±0% |
| L. GoochFull-back | Huddersfield | 🇺🇸USA | 30 | 3 | 0 | 0 | 2.1 | 18±0% | 26±0% |
| L. GordonCentral midfielder | Leyton Orient | 🏴England | 20 | 1 | 0 | 0 | 7.6 | 0 | 38 |
| L. GordonFull-back | Port Vale | 🇬🇾Guyana | 27 | 5 | 0 | 0 | 2.3 | 9▲14.8% | 33±0% |
| L. HarrisCentral midfielder | Wigan | 🏴Wales | 21 | 3 | 0 | 0 | 7.4 | 21▲24.4%↩ | 52▲9.7%↩ |
| L. HowardCentre-back | Reading | 🏳️ | 0 | 1 | 0 | 0 | 2 | 0 | 18 |
| L. HowardCentre-back | Reading | 🏳️ | 0 | 1 | 0 | 0 | 2 | 0 | 17 |
| L. James-WildinCentre-back | Stevenage | 🇦🇬Antigua and Barbuda | 28 | 8 | 0 | 0 | 4 | 40±0% | 35±0% |
| L. KellyCentral midfielder | Peterborough | 🇮🇪Republic of Ireland | 30 | 10 | 0 | 0 | 2.4 | 39±0% | 22±0% |
| L. KellyDefensive midfielder | Rotherham | 🏴Scotland | 36 | 21 | 0 | 0 | 0.4 | 11▼28.3% | 9▼18.3% |
| L. LeahyDefensive midfielder | Wycombe | 🏴England | 33 | 3 | 0 | 0 | 0.6 | 31±0% | 18±0% |
| L. MontsmaCentre-back | Port Vale | 🇳🇱Netherlands | 28 | 6 | 0 | 0 | 1.2 | 11▼14%↩ | 24▼33.9%↩ |
| L. ReedCentral midfielder | Mansfield Town | 🏴England | 29 | 9 | 2 | 0 | 4.1 | 36±0% | 32±0% |
| L. RobertsGoalkeeper | Mansfield Town | 🏴England | 31 | 7 | 0 | 0 | 1.8 | 37±0% | 28±0% |
| L. SamuelCentre-back | Exeter City | 🏴England | 20 | 10 | 0 | 0 | 3.5 | 17▲110%↩ | 32±0% |
| L. ShawCentral midfielder | Northampton | 🏴England | 25 | 0 | 0 | 0 | 2.5 | 0▼100%↩ | 33▼20.5%↩ |
| L. SørensenFull-back | Huddersfield | 🇩🇰Denmark | 27 | 43 | 4 | 4 | 10.3 | 21▲17.2% | 44▼3.9% |
| L. SouthwoodGoalkeeper | Blackpool | 🇬🇧Northern Ireland | 28 | 22 | 0 | 0 | 3.6 | 8▲27.1%↩ | 22▼43.9%↩ |
| L. ThompsonCentral midfielder | Mansfield Town | 🏴England | 24 | 9 | 0 | 0 | 9 | 11±0% | 60▲2.6%↩ |
| L. ThompsonCentral midfielder | Stevenage | 🏴Wales | 31 | 9 | 0 | 0 | 1.8 | 16±0% | 21±0% |