| Season | 2015 |
|---|---|
| Dates | 7 March – 21 November 2015 |
| Champions | FC Pocheon (4th title) |
| Matches played | 230 |
| Goals scored | 961 (4.18 per match) |
| Best Player | Lee Sang-yong[1] |
| Top goalscorer | Park Dong-hee (30 goals)[1] |
| Best goalkeeper | Choi An-seong[1] |
← 2014 2016 → | |
The 2015 K3 League was the ninth season of amateur K3 League. The top three clubs of each group qualified for the championship playoffs after the home and away season of two groups (16 matches per team) and the interleague play (9 matches per team). The first-placed team in the overall table directly qualified for the final and the other group winners advanced to the semi-final. The interleague games had to have penalty shoot-outs when they were finished as draws, and 0.5 points were awarded for a penalty shootout defeat.