| Season | 2019 | 
|---|---|
| Dates | 23 March – November 2019 [1] | 
| Champions |  Hwaseong FC  (2nd title)  | 
| Matches played | 132 | 
| Goals scored | 351 (2.66 per match) | 
| Best Player | Moon Joon-ho [2] | 
| Top goalscorer | Bae Chun-suk [2] | 
← 2018   | |
The 2019 K3 League Advanced was the 13th and last season of amateur K3 League. After the end of the 2019 season, the K3 League was relaunched as a semi-professional league by Korea Football Association (KFA). [3]
Icheon Citizen abandoned the last three matches of the regular season to avoid the spread of African swine fever virus, which could damage pig farms in Icheon. [4]
| Club | City | Stadium | Capacity | Manager | 
|---|---|---|---|---|
| Cheongju FC | Cheongju | Cheongju Stadium | 17,264 |   | 
| Chuncheon FC | Chuncheon | Chuncheon Stadium | 20,000 |   | 
| Chungju Citizen | Chungju | Chungju Stadium | 15,000 |   | 
| Gimpo Citizen | Gimpo | Gimpo Sports Complex | 5,068 |   | 
| Gyeongju Citizen | Gyeongju | Gyeongju Civic Stadium | 12,199 |   | 
| Hwaseong FC | Hwaseong | Hwaseong Stadium | 35,270 |   | 
| Icheon Citizen | Icheon | Icheon Stadium | 20,305 |   | 
| Paju Citizen | Paju | Paju Public Stadium | 22,000 |   | 
| Pocheon Citizen | Pocheon | Pocheon Stadium | 7,000 |   | 
| Pyeongtaek Citizen | Pyeongtaek | Sosabeol Reports Town | 15,000 |   | 
| Siheung Citizen | Siheung | Jeongwang Sports Park |   | |
| Yangpyeong FC | Yangpyeong | Yongmun Sports Park | 400 |   | 
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Hwaseong FC (C) | 22 | 16 | 2 | 4 | 44 | 19 | +25 | 50 | Qualification for Championship final | 
| 2 | Gyeongju Citizen | 22 | 14 | 4 | 4 | 36 | 21 | +15 | 46 | Qualification for Championship first round | 
| 3 | Gimpo Citizen | 22 | 12 | 6 | 4 | 28 | 19 | +9 | 42 | |
| 4 | Yangpyeong FC | 22 | 13 | 2 | 7 | 42 | 30 | +12 | 41 | Qualification for Championship first round and K4 League [a]  | 
| 5 | Pocheon Citizen | 22 | 12 | 3 | 7 | 30 | 21 | +9 | 39 | |
| 6 | Paju Citizen | 22 | 11 | 2 | 9 | 30 | 26 | +4 | 35 | Qualification for K4 League [b] | 
| 7 | Siheung Citizen | 22 | 8 | 5 | 9 | 22 | 25 | −3 | 29 | |
| 8 | Cheongju FC | 22 | 8 | 4 | 10 | 29 | 32 | −3 | 28 | |
| 9 | Icheon Citizen | 22 | 7 | 6 | 9 | 27 | 33 | −6 | 27 | Qualification for K4 League [b] | 
| 10 | Chuncheon FC | 22 | 4 | 3 | 15 | 23 | 38 | −15 | 15 | |
| 11 | Pyeongtaek Citizen | 22 | 3 | 2 | 17 | 23 | 47 | −24 | 11 | |
| 12 | Chungju Citizen [c] | 22 | 3 | 3 | 16 | 17 | 40 | −23 | 2 | Qualification for K4 League [b] | 
The promotion-relegation playoff was contested between winners of Basic league playoff and 10th-placed team of Advanced league, but the match became meaningless after Korea Football Association decided to examine every K3 League club for qualification for newly-founded K3 League or K4 League. [5]
| Chuncheon FC | 0–0 | Yangju Citizen | 
|---|---|---|
| Report | 
When the first round and semi-final matches were finished as draws, their winners were decided on the regular season rankings without extra time and the penalty shoot-out. [6]
| First round | Semi-final | Final | |||||||||||||
| Gyeongju Citizen | 1 | ||||||||||||||
| Hwaseong FC | 1 | 1 | 2 | ||||||||||||
| Pocheon Citizen | 3 | ||||||||||||||
| Yangpyeong FC | 3 | Yangpyeong FC | 0 | 0 | 0 | ||||||||||
| Pocheon Citizen | 0 | ||||||||||||||
| Gimpo Citizen | 0 | ||||||||||||||
| Yangpyeong FC | 1 | ||||||||||||||
| Gyeongju Citizen | 1–3 | Pocheon Citizen | 
|---|---|---|
| Kim Jin-yung  | Report | 
  | 
| Gimpo Citizen | 0–1 | Yangpyeong FC | 
|---|---|---|
| Report | Oh Dong-kyu  | 
| Yangpyeong FC | 3–0 | Pocheon Citizen | 
|---|---|---|
  | Report | 
| Yangpyeong FC | 0–1 | Hwaseong FC | 
|---|---|---|
| Report |  Park Jun-tae  | 
| Hwaseong FC | 1–0 | Yangpyeong FC | 
|---|---|---|
| Moon Jun-tae  | Report | 
Hwaseong FC won 2–0 on aggregate.