| Watford FC v Millwall FC 27/11/1920 | View match | |
| Norwich City FC v Millwall FC 04/12/1920 | View match | |
| Millwall FC v Norwich City FC 11/12/1920 | View match | |
| Millwall FC v Merthyr Town 25/12/1920 | View match | |
| Merthyr Town v Millwall FC 27/12/1920 | View match | |
| Millwall FC v Northampton Town FC 01/01/1921 | View match | |
| Millwall FC v Lincoln City FC 08/01/1921 | View match | |
| Millwall FC v Crystal Palace FC 15/01/1921 | View match | |
| Crystal Palace FC v Millwall FC 22/01/1921 | View match | |
| Reading FC v Millwall FC 29/01/1921 | View match | |
| Millwall FC v Southend United FC 05/02/1921 | View match | |
| Millwall FC v Brighton & Hove Albion FC 12/02/1921 | View match |