| Club: | Kocaelispor |
| Season: | 2023–24 |
| Manager: | Ertuğrul Sağlam |
| Stadium: | Kocaeli Stadium |
| League: | TFF First League |
| League Result: | 2nd |
| Cup1: | Turkish Cup |
| Cup1 Result: | Fourth round |
| League Topscorer: | Douglas Tanque (8) |
| Season Topscorer: | Douglas Tanque (8) |
| Prevseason: | 2022–23 |
| Nextseason: | 2024–25 |
The 2023–24 season is Kocaelispor's 58th season in existence and first one back in the TFF First League, the second division of Turkish football. They will also compete in the Turkish Cup.
| Player | Transferred from | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| Samsunspor | Unisclosed | |||||
| Ankaragücü | Free |
| Player | Transferred to | Fee | Date | Source |
|---|
See main article: 2023–24 TFF First League.
The league fixtures were unveiled on 19 July 2023.[2]
See main article: 2023–24 Turkish Cup.