| Competition: | K3 League Basic |
| Season: | 2019 |
| Dates: | 24 March – 13 October 2019 |
| Winners: | Ulsan Citizen (1st title) |
| Promoted: | Jeonju Citizen Yangju Citizen |
| Best Player: | Gu Jong-wook[1] |
| League Topscorer: | Patrick Allan (14 goals) |
| Matches: | 84 |
| Total Goals: | 314 |
| Prevseason: | 2018 |
| Nextseason: | 2020 K4 League |
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]
Relegated from K3 League Advanced
Promoted to K3 League Advanced
Withdrawn
Newly joined
| Club | City | Stadium | Capacity | Manager | |
|---|---|---|---|---|---|
| Goyang Citizen | Goyang | Goyang Sports Complex | 41,311 |  Kim Jin-ok | |
| Pyeongchang FC | Pyeongchang | Pyeongchang Sports Complex | 6,000 | An Hong-min | |
| Seoul Nowon United | Seoul | Nowon Madeul Stadium | 446 | Jo Dong-hyun | |
| Yangju Citizen | Pyeongtaek | Yangju Godeok Stadium | 15,000 | Kim Seong-il | |
| Yeoju Sejong | Yeoju | Yeoju Sports Complex | 21,600 | Oh Ju-po | |
| Ulsan Citizen | Ulsan | Ulsan Stadium | 19,471 | Yoon Kyun-sang | |
| Jeonju Citizen | Jeonju | Jeonju Stadium | 30,000 | Jung Jin-hyuk | |
| Seoul Jungnang | Seoul | Jungnang Public Ground | 400 | Kim Sang-hwa |
In this year, the number of foregin players limition is changed.Restricting the number of foreign players strictly to four per team, including a slot for a player from AFC countries. A team could use four foreign players on the field each game including at least one player from the AFC confederation.[3]
Players name in bold indicates the player is registered during the mid-season transfer window.
| Club | Player 1 | Player 2 | Player 3 | Asian Player | |
|---|---|---|---|---|---|
| Goyang Citizen | Martin Sawi | Paul Puk Kun Pal |  Cao Hanchen | ||
| Pyeongchang FC | |||||
| Seoul Nowon United | |||||
| Yangju Citizen |  Lazar Djurovic | ||||
| Yeoju Sejong |  Patrick Allan | ||||
| Ulsan Citizen | |||||
| Jeonju Citizen | |||||
| Seoul Jungnang |
The promotion-relegation playoff was contested between winners of Basic league playoff (semi-final) and 10th-placed team of Advanced league,[4] 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]
| Rank | Player[6] | Club | Goals | ||
|---|---|---|---|---|---|
| 1 | Patrick Allan | Yeoju Sejong | 14 | ||
| align=center rowspan=3 | 2 | Kim Sang-min | Jeonju Citizen | align=center rowspan=3 | 12 |
| Oh Tae-hwan | Jeonju Citizen | ||||
| Hwang Jung-hyun | Yangju Citizen | ||||
| align=center rowspan=2 | 5 | Lazar Djurovic | Yangju Citizen | align=center rowspan=2 | 11 |
| Martin Sawi | Goyang Citizen |