| Season | 2018 |
|---|---|
| Dates | 24 March – 24 November 2018 |
| Champions | Gyeongju Citizen (3rd title) |
| Relegated | Jeonju Citizen Seoul Jungnang |
| Matches played | 132 |
| Goals scored | 404 (3.06 per match) |
| Best Player | Choi Yong-woo[1] |
| Top goalscorer | Choi Yong-woo (16 goals)[1] |
| Best goalkeeper | Jeong Gyu-jin[1] |
| Biggest home win | Pocheon 7–0 Jungnang |
| Biggest away win | Jungnang 0–9 Hwaseong |
| Highest attendance | 1655 |
| Lowest attendance | 75 |
| Average attendance | 262 |
← 2017 2019 → | |
The 2018 K3 League Advanced was the twelfth season of amateur K3 League.