2023–24 TFF Second League

The 2023–24 TFF Second League is the 23rd season of the third-level football league of Turkey since the league was established in 2001.

Teams

 * Çorum, Kocaelispor and Şanlıurfaspor promoted to 2023–24 TFF First League.
 * Altınordu and Denizlispor relegated from 2022–23 TFF First League.
 * 68 Aksaray Belediyespor, Iğdır, Yeni Mersin İdmanyurdu, Belediye Derincespor, Karaman and Beyoğlu Yeni Çarşı promoted from 2022–23 TFF Third League.
 * Balıkesirspor, Batman Petrolspor, Bayburt Özel İdarespor, Pazarspor, Sivas Belediyespor and Tarsus İdman Yurdu relegated to 2023–24 TFF Third League.