2018–19 TFF First League
The 2018–19 TFF First League is the 18th season since the league was established in 2001 and 56th season of the second-level football league of Turkey since its establishment in 1963–64.
Teams
- Osmanlıspor, Gençlerbirliği and Kardemir Karabükspor relegated from 2017–18 Süper Lig.
- Rizespor, Ankaragücü and Erzurum BB promoted to 2018–19 Süper Lig.
- Altay, Hatayspor and Afjet Afyonspor promoted from 2017–18 TFF Second League.
- Samsunspor, Manisaspor and Gaziantepspor relegated to 2018–19 TFF Second League.
Stadiums and locations
| Team | Home city | Stadium | Capacity |
| Adana Demirspor | Adana | Adana 5 Ocak Stadium | 14,805 |
| Adanaspor | Adana | Adana 5 Ocak Stadium | 14,805 |
| Afjet Afyonspor | Afyonkarahisar | Afyonkarahisar Stadi | 15,450 |
| Altay | İzmir | İzmir Atatürk Stadium | 51,295 |
| Altınordu | İzmir | Doğanlar Stadium | 12,500 |
| Balıkesirspor | Balıkesir | Balıkesir Atatürk Stadium | 15,800 |
| Boluspor | Bolu | Bolu Atatürk Stadium | 9,000 |
| Denizlispor | Denizli | Denizli Atatürk Stadium | 15,500 |
| Elazığspor | Elazığ | Elazığ Atatürk Stadium | 13,923 |
| Eskişehirspor | Eskişehir | New Eskişehir Stadium | 34,930 |
| Gazişehir Gaziantep | Gaziantep | New Gaziantep Stadium | 35,558 |
| Gençlerbirliği | Ankara | Eryaman Stadium | 20,000 |
| Giresunspor | Giresun | Giresun Atatürk Stadium | 12,191 |
| Hatayspor | Hatay | Antakya Atatürk Stadium | 6,015 |
| İstanbulspor | Istanbul | Necmi Kadıoğlu Stadium | 4,491 |
| Kardemir Karabükspor | Karabük | Necmettin Şeyhoğlu Stadium | 15,000 |
| Osmanlıspor | Ankara | Osmanlı Stadium | 20,000 |
| Ümraniyespor | Istanbul | Ümraniye Belediyesi Şehir Stadium | 1,601 |
League table
Positions by round
The table lists the positions of teams after each week of matches. In order to preserve chronological evolvements, any postponed matches are not included to the round at which they were originally scheduled, but added to the full round they were played immediately afterwards.Results
Promotion Playoffs
Semifinals
Final
Statistics
Top goalscorers
| Pos. | Player | Team | Goals |
| 1 |  Marco Paixão | Altay | 29 |
| 2 |  Mickaël Poté | Adana Demirspor | 16 |
| 3 |  Mehmet Akyüz | Denizlispor | 15 |
| 4 | Oltan Karakullukçu | Afjet Afyonspor | 14 |
| 5 | Recep Niyaz | Denizlispor | 12 |
| 6 |  Abiola Dauda | Giresunspor | 11 |
| 6 | Nadir Çiftçi | Gençlerbirliği | 11 |
| 6 | İbrahim Yılmaz | İstanbulspor | 11 |
| 9 | Lanre Kehinde | Denizlispor | 10 |
| 9 | Ziya Alkurt | Denizlispor | 10 |