| Season | 2019 |
|---|---|
| Dates | 24 March – 13 October 2019 |
| Champions | Ulsan Citizen (1st title) |
| Promoted | Jeonju Citizen Yangju Citizen |
| Matches played | 84 |
| Goals scored | 314 (3.74 per match) |
| Best Player | Gu Jong-wook[1] |
| Top goalscorer | Patrick Allan (14 goals) |
← 2018 | |
The 2019 K3 League Basic was the third and last season of the K3 League Basic. After the 2019 season, amateur K3 Leagues were relaunched as semi-professional leagues in the name of K3 League and K4 League.[2]