2013–14 TFF First League

The 2013–14 TFF First League, also known as PTT First League ) due to sponsoring reasons (in Turkish: ''PTT 1. Lig'', is the 13th season since the league was established in 2001 and 51st season of the second-level football league of Turkey since its establishment in 1963–64.

Teams
Orduspor, Mersin İdman Yurdu and İstanbul B.B. relegated from Süper Lig. Kayseri Erciyesspor, Çaykur Rizespor and Konyaspor promoted to 2013–14 Süper Lig.

Kahramanmaraşspor, Balıkesirspor and Fethiyespor promoted from TFF Second League. Göztepe, Kartalspor and Ankaragücü relegated to 2013–14 TFF Second League.