Khon Kaen United was formed in 2015 and entered the
Regional League Division 2 and allocated into the North-East Division that makes Khon Kaen Derby match with
Khon Kaen.
Suspended In 2016, Khon Kaen United was suspended from the 2016 campaign due to criminal case with 8 games remaining.In 2018, Khon Kaen United returned to play in the Thailand's professional league because the team is acquitted by the Thailand Court of justice decide. FA Thailand order this team to restart at
2018 Thai League 4 North Eastern Region. At the end of the season the club finished with Runners-up of Thai League 4 and promoted to the
Thai League 3.
Back-to-back promotion to the top flight league In 2019, Khon Kaen United was the champion of the
2019 Thai League 3 upper zone and champion of
Thai League 3 where the club got promoted from Thai League 3 to the
2020–21 Thai League 2 where in their first season, the club gain another promotion to the
2021–22 Thai League 1 as a play-off winner after beating
Nakhon Pathom United 4–3 on penalties shootout.
Relegation Khon Kaen United finished in the
2024–25 season sitting in the bottom of the league with 18 points thus getting relegated to the Thai League 2. == Kit suppliers and shirt sponsors ==