Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2017 |  | Valentin Petton | GK | |||
| 07/2017 | | Banfa Fofana | DF |  | FC Lorient U17 | U17 |
| 07/2017 | | Paul Joly | DF | | FC Lorient U17 | U17 |
| 07/2017 | | Ewen Le Cunff | DF | | FC Lorient U17 | U17 |
| 07/2017 | | Nathan Rio | DF | | FC Lorient U17 | U17 |
| 07/2017 | | Paul Bellon | MF | | FC Lorient U17 | U17 |
| 07/2017 | | Enzo Le Fée | MF | | FC Lorient U17 | U17 |
| 07/2017 | | Tom Renaud | MF | | FC Lorient U17 | U17 |
| 07/2017 | | Christian Kitenge | FW | | FC Lorient U17 | U17 |
| 07/2017 | | Jérémy Le Saos | FW | | FC Lorient U17 | U17 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2017 | | Louis Thébault-Yamaguchi | GK |  | CD Extremadura | CD Extremadura |
| 07/2017 | | David Attah | DF |  | AS Poissy | AS Poissy |
| 07/2017 | | Ruddy Ebondo | DF |  | FC Lorient B | Lorient (CFA) |
| 07/2017 | | Baptiste Kerviche | DF |  | Saint-Colomban Locminé | Saint-Colomban Locminé |
| 07/2017 | | Nicolas Moucazambo | DF |  | US Concarneau U19 | U19 |
| 07/2017 | | Peter Ouaneh | DF | | FC Lorient B | Lorient (CFA) |
| 07/2017 | | Robin Rouaud | MF |  | Châteaubriant Voltigeurs | Châteaubriant |
| 07/2017 |  | Moussa Guel | FW |  | FC Lorient | Lorient |
| 07/2017 | | Lee-Marving Kouakou | FW | | FC Lorient B | Lorient (CFA) |