| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Adam Federici | 1985-01-31 | 188 | 90 | 2019-06-30 | ||
| GK | Stephen Mildenhall | 1978-05-13 | 193 | 89 | |||
| D | Peter Clarke | 1982-01-03 | 188 | 84 | |||
| D | Simon Francis | 1985-02-16 | 183 | 90 | 2019-06-30 | ||
| M | Franck Moussa | 1989-07-24 | 174 | 74 | |||
| M | Hal Robson-Kanu | 1989-03-21 | 184 | 83 | 2020-06-30 | ||
| M | Jean-Francois Christophe | 1982-06-13 | 185 | 83 | |||
| M | Stuart O'Keefe | 1991-03-04 | 173 | 64 | |||
| F | Alexander Revell | 1983-07-07 | 191 | 78 | |||
| F | Femi Orenuga | 1993-03-18 | 168 | 61 | 2014 | ||
| F | James Walker | 1987-11-25 | 180 | 76 | |||
| F | Junior Stanislas | 1989-11-26 | 180 | 79 | 2019-06-30 | ||
| F | Lee Barnard | 1984-07-18 | 178 | 68 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Adam King (M) | Southend United | Swansea City | Confirmed | |
| 30.Jun | Ryan Inniss (D) | Southend United | Crystal Palace | Confirmed | |
| 31.Aug | Ryan Inniss (D) | Crystal Palace | Southend United | Confirmed | |
| 6.Aug | Adam King (M) | Swansea City | Southend United | Confirmed | |
| 30.Jun | Cian Bolger (D) | Bury FC | Southend United | Confirmed | |
| 1.Jun | Luke O'Neill (D) | Southend United | Burnley FC | Confirmed | |
| 31.May | Jamar Loza (F) | Southend United | Norwich City | Confirmed | |
| 31.May | Piotr Malarczyk (D) | Southend United | Ipswich Town | Confirmed | |
| 30.Mar | Franck Moussa (M) | Free Agent | Southend United | Confirmed | |
| 26.Mar | Piotr Malarczyk (D) | Ipswich Town | Southend United | Confirmed |