| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Ronan Le Crom | 1974-07-13 | 186 | 77 | 2013 jun | ||
| GK | Vedran Runje | 1976-02-10 | 190 | 2011 | |||
| D | Adama Coulibaly | 1980-09-10 | 186 | 83 | |||
| D | Fabien Laurenti | 1983-01-06 | 181 | 2012 | |||
| D | Kader Mangane | 1983-03-23 | 190 | 80 | 2018-06-30 | ||
| D | Marco Ramos | 1983-04-26 | 172 | ||||
| D | Milan Bisevac | 1983-08-31 | 185 | 85 | 2018-06-30 | ||
| D | Nadir Belhadj | 1982-06-18 | 175 | 67 | 2013 | ||
| D | Vitorino Hilton | 1977-09-13 | 180 | 78 | 2013 jun | ||
| M | Adil Hermach | 1986-06-27 | 177 | 68 | |||
| M | Julien Sable | 1980-09-11 | 181 | 73 | |||
| M | Nenad Kovacevic | 1980-11-11 | 176 | ||||
| M | Sidi Yaya Keita | 1985-03-20 | 177 | 2011 | |||
| M | Yohan Demont | 1978-05-15 | 176 | 2011 | |||
| F | Abdoulrazak Boukari | 1987-04-25 | 182 | 70 | 2015 | ||
| F | Daniel Cousin | 1977-02-07 | 187 | 82 | 2011 | ||
| F | David Pollet | 1988-08-12 | 188 | ||||
| F | Kévin Monnet-Paquet | 1988-08-19 | 183 | 73 | 2018-06-30 | ||
| F | Loic Rémy | 1987-01-02 | 184 | 66 | 2019-06-30 | ||
| F | Toifilou Maoulida | 1979-06-08 | 185 | 75 | 2016-06-30 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Clément Chantôme (M) | RC Lens | Stade Rennais FC | Confirmed | |
| 30.Jun | Álvaro Lemos (M) | RC Lens | Celta de Vigo | Confirmed | |
| 30.Jun | Karim Hafez (D) | RC Lens | Lierse SK | Confirmed | |
| 27.Jan | Patrick Olsen (M) | RC Lens | Grasshopper-Club Zürich | Confirmed | |
| 17.Jan | Loïck Landre (D) | RC Lens | Genoa CFC | Confirmed | |
| 1.Sep | Adama Guira (M) | SønderjyskE | RC Lens | Confirmed | |
| 31.Aug | Karim Hafez (D) | Lierse SK | RC Lens | Confirmed | |
| 4.Aug | Joris Delle (GK) | RC Lens | NEC Nijmegen | Confirmed | |
| 27.Jul | Wylan Cyprien (M) | RC Lens | OGC Nice | Confirmed | |
| 19.Jul | Teddy Chevalier (F) | Rizespor | RC Lens | Confirmed |