| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Leonard Pidgeley | 1984-02-04 | 191 | 87 | |||
| GK | Rhys Evans | 1982-01-27 | 186 | 78 | |||
| D | Alan Dunne | 1982-08-23 | 180 | 73 | |||
| D | Andy Frampton | 1979-09-03 | 180 | 68 | |||
| D | Danny Senda | 1981-04-17 | 178 | 70 | |||
| D | Marcus Bignot | 1974-08-22 | 175 | 70 | |||
| D | Paul Robinson | 1982-01-07 | 188 | 81 | |||
| D | Scott Barron | 1985-09-02 | 178 | 72 | 2013 | ||
| D | Zak Whitbread | 1984-03-04 | 188 | 72 | 2014 jun | ||
| D | Zoumana Bakayogo | 1986-08-11 | 175 | 67 | |||
| M | Adrian Forbes | 1979-01-23 | 173 | 72 | |||
| M | Ahmet Brkovic | 1974-09-23 | 173 | 72 | |||
| M | Ali Fuseini | 1988-12-07 | 175 | 76 | |||
| M | Bryan Hodge | 1987-09-23 | |||||
| M | David Brammer | 1975-02-28 | 178 | 72 | |||
| M | Jem Karacan | 1989-02-21 | 176 | 66 | 2016-06-30 | ||
| F | Adebayo Akinfenwa | 1982-05-10 | 180 | 86 | |||
| F | Ben May | 1984-03-10 | 185 | 77 | |||
| F | Gary Alexander | 1979-08-15 | 180 | 83 | |||
| F | Jay Simpson | 1988-12-01 | 180 | 85 | Loan | ||
| F | Lewis Grabban | 1988-01-12 | 183 | 78 | 2019-06-30 | ||
| F | Neil Harris | 1977-07-12 | 178 | 78 | |||
| F | Ross Gaynor | 1987-09-09 | 178 | 75 | |||
| F | Will Hoskins | 1986-05-06 | 175 | 70 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Chris Taylor (M) | Millwall FC | Blackburn Rovers | Confirmed | |
| 17.Mar | Chris Taylor (M) | Blackburn Rovers | Millwall FC | Confirmed | |
| 23.Jan | Shane Ferguson (M) | Millwall FC | Newcastle United | Confirmed | |
| 9.Nov | Shane Ferguson (M) | Millwall FC | Newcastle United | Confirmed | |
| 7.Aug | Shane Ferguson (M) | Newcastle United | Millwall FC | Confirmed | |
| 7.Aug | Shane Ferguson (M) | Newcastle United | Millwall FC | Rumour | |
| 2.Feb | Jordan Archer (GK) | Tottenham Hotspur | Millwall FC | Confirmed | |
| 26.Jan | Jos Hooiveld (D) | Southampton FC | Millwall FC | Confirmed | |
| 12.Jan | Shaun Cummings (D) | Reading FC | Millwall FC | Confirmed | |
| 7.Jan | Scott Malone (D) | Millwall FC | Cardiff City | Confirmed |