Leyton Orient
Official Name: Leyton Orient Football Club
Formed: 1881 Ground: Matchroom Stadium (9,271) Manager: Ömer Rıza [TUR]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Previous Club |
| 1 | Alex Cisak | AUS | G | 1.90 | 94 | 19-05-89 | Kraków | Burnley |
| 2 | ||||||||
| 3 | Callum Kennedy | ENG | D | 1.85 | 81 | 09-11-89 | Chertsey | AFC Wimbledon |
| 4 | Liam Kelly | SCO | M | 1.85 | 70 | 10-02-90 | Milton Keynes | Oldham Ath |
| 5 | ||||||||
| 6 | Tom Parkes | ENG | D | 1.91 | 79 | 15-01-92 | Mansfield | Bristol R |
| 7 | Michael Collins | IRL | M | 1.83 | 74 | 30-04-86 | Halifax | Bengaluru |
| 8 | Robbie Weir | NIR | M | 1.75 | 73 | 09-12-88 | Belfast | Burton Alb |
| 9 | ||||||||
| 10 | Paul McCallum | ENG | F | 1.91 | 76 | 28-07-93 | Streatham | West Ham U |
| 11 | Gavin Massey | ENG | F | 1.79 | 74 | 14-10-92 | Watford | Colchester U |
| 12 | Charlie Grainger | ENG | G | 1.87 | 68 | 31-07-96 | Enfield | None |
| 13 | ||||||||
| 14 | Sammy Moore | ENG | M | 1.73 | 57 | 07-09-87 | Deal | AFC Wimbledon |
| 15 | Nigel Atangana | FRA | M | 1.87 | 72 | 09-09-89 | Corbeil-Essonnes | Portsmouth |
| 16 | Nicky Hunt | ENG | D | 1.85 | 86 | 03-09-83 | Westhoughton | Mansfield T |
| 17 | Jordan Green | ENG | F | 1.68 | 72 | 22-02-95 | New Cross | Bournemouth |
| 18 | Ulrich N'Nomo | FRA | F | 1.80 | 74 | 28-02-96 | Yaoundé | Châteauroux |
| 19 | Teddy Mézague | FRA | D | 1.85 | 83 | 27-05-90 | Marseille | Mouscron-Péruwelz |
| 20 | Rowan Liburd | ENG | F | 1.94 | 85 | 28-08-92 | Croydon | Stevenage |
| 21 | ||||||||
| 22 | Sandro Semedo | POR | M | 1.74 | 62 | 03-12-96 | Colchester U | |
| 23 | Freddy Moncur | ENG | M | 1.75 | 68 | 08-09-96 | Harlow | None |
| 24 | Sam Sargeant | ENG | G | 1.83 | 67 | 23-09-97 | Greenwich | None |
| 25 | Aron Pollock | ENG | D | 1.83 | 74 | 23-03-98 | Basildon | Millwall |
| 26 | Victor Adeboyejo | ENG | F | 1.78 | 63 | 12-01-98 | Ibadan | None |
| 27 | ||||||||
| 28 | Josh Koroma | ENG | F | 1.78 | 66 | 08-11-98 | Southwark | None |
| 29 | Myles Judd | ENG | D | 1.78 | 67 | 26-08-99 | Redbridge | None |
| 30 | Sam Dalby | ENG | F | 1.91 | 78 | 17-01-00 | Leytonstone | None |
| 31 | Steven Alzate | ENG | M | 1.77 | 65 | 01-09-98 | Camden Town | None |
| 32 | Henry Ochieng | ENG | M | 1.79 | 67 | 11-11-98 | Redbridge | None |
| 33 | ||||||||
| 34 | Michael Clark | ENG | D | 1.88 | 74 | 05-09-97 | Hatfield | None |
| 35 | Tristan Abrahams | ENG | F | 1.75 | 67 | 29-12-98 | Lewisham | None |
| 36 | Sam Alderson | ENG | M | None | ||||
| 37 | Yvan Erichot | FRA | D | 1.88 | 87 | 25-03-90 | Chambray-les-Tours | Sint-Truiden |
| 38 | Dan Happe | ENG | D | 1.97 | 89 | 28-09-98 | Tower Hamlets | None |
| 39 | Arthur Janata | ENG | G | 22-05-00 | Waltham Forest | None | ||
| 40 | Charley Barker | ENG | M | 26-12-98 | None | |||
| 41 | Toby Stevenson | ENG | D | 22-11-99 | Colchester | None | ||
| 42 | Rian McLean | ENG | D | None | ||||
| 43 | Teddy Perkins | ENG | D | 1.84 | 80 | 17-05-00 | Benfleet | None |
| 46 | Jens Janse | NED | D | 1.86 | 74 | 01-07-86 | Venlo | Ternana |
Players no longer at this club |
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| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | New Club |
| 45 | Armand Gnanduillet | CIV | F | 1.93 | 88 | 13-02-92 | Angers | Blackpool |
| 2 | Sean Clohessy | ENG | D | 1.78 | 74 | 12-12-86 | Croydon | Braintree T |
| 7 | Dean Cox | ENG | M | 1.63 | 69 | 12-08-87 | Cuckfield | Crawley T |
| 20 | Harry Cornick | ENG | F | 1.80 | 84 | 06-03-95 | Poole | Bournemouth |
| 17 | Josh Doherty | NIR | D | 1.79 | 70 | 15-03-96 | Newtownards | Ards |
| 33 | Žan Benedičič | SVN | M | 1.87 | 83 | 03-10-95 | Ljubljana | Olbia |
| 27 | Jay Simpson | ENG | F | 1.80 | 85 | 01-12-88 | Enfield | Philadelphia Union |
| 21 | Jordan Bowery | ENG | F | 1.85 | 76 | 02-07-91 | Nottingham | Crewe Alex (On Loan) |
| 5 | Alan Dunne | IRL | D | 1.78 | 70 | 23-08-82 | Dublin | Bromley |
| 9 | Ollie Palmer | ENG | F | 1.87 | 77 | 21-01-92 | Epsom | Luton T (On Loan) |