 | Leyton Orient Records |
| Attendance | 34345: vs West Ham United 25/01/1964 FA Cup R4 |
| Gate receipts | 87867: vs West Ham United 10/01/1987 FA Cup R3 |
| Best league win | 8 - 0: vs Crystal Palace 12/11/1955 Division 3S |
| Worst league loss | 0 - 8: vs Aston Villa 30/01/ FA CUP R4 |
| Best cup win | 9 - 2: vs Chester City 15/10/1962 League Cup R3 |
| Worst cup loss | |
| Most capped player | John Chiedozie: 8 Nigeria |
| League appearances | Peter Allen: 432 1965/78 |
| League goals | Tom Johnston: 121 1956/61 |
| Goals in a season | Tom Johnston: 35 1957/58 Division 2 |
| Transfer fee received | £600,000: John Chiedozie Notts County August 1981 |
| Transfer fee paid | £175,000: Paul Beesley Wigan Athletic October 1989 |
