| Season | 2018 |
|---|---|
| Champions | Siheung Citizen (1st title) |
| Matches played | 110 |
| Goals scored | 443 (4.03 per match) |
| Best Player | Park Min-seon[1] |
| Top goalscorer | Bang Chan-joon (25 goals)[2] |
← 2017 2019 → | |
The 2018 K3 League Basic was the second season of the K3 League Basic. Yeoju Sejong and Chungju Citizen joined the league in this season. The top two teams were directly promoted to the K3 League Advanced, and third, fourth and fifth-placed team qualified for the promotion playoffs.