2018–19 TFF 1. Lig
| Season | 2018–19 |
|---|---|
| Champions | Denizlispor |
| Promoted | Denizlispor Gençlerbirliği Gaziantep |
| Relegated | Afjet Afyonspor Elazığspor Kardemir Karabükspor |
| Matches played | 306 |
| Goals scored | 804 (2.63 per match) |
| Top goalscorer | Marco Paixão (29 goals) |
| Biggest home win | G. Birliği 6–0 Karabük (1 December 2018) Altınordu 6–0 Karabük (2 February 2019) Balıkesir 7–1 Karabük (22 April 2019) Denizli 6–0 Karabük (12 May 2019) |
| Biggest away win | İstanbul 0–5 Altay (25 August 2018) Karabük 1–6 Gazişehir (18 May 2019) |
| Highest scoring | Balıkesir 7–1 Karabük (22 April 2019) |
| Longest winning run | Osmanlıspor (10 matches) |
| Longest unbeaten run | Altınordu Denizlispor (14 matches) |
| Longest winless run | Kardemir Karabükspor (13 matches) |
| Longest losing run | Kardemir Karabükspor (34 matches) |
← 2017–18 2019–20 → | |
The 2018–19 TFF 1. Lig 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.