Chanthaburi United Football Club (Thai สโมสรฟุตบอลจันทบุรี ยูไนเต็ด), is a Thai football club based in Chanthaburi, Thailand. The club is currently playing in the Thai League 3 Eastern region.
In 2022, Assawin Kohkwang United competed in the Thai League 3 for the 2022–23 season. It is their 4th season in the professional league. The club started the season with a 0–1 away defeat to Bankhai United and they ended the season with a 0–1 home defeat to Bankhai United. The club has finished 10th place in the league of the Eastern region. In addition, in the 2022–23 Thai FA Cup Assawin Kohkwang United was defeated 0–3 by Muangthong United in the third round, causing them to be eliminated and in the 2022–23 Thai League Cup Assawin Kohkwang United was defeated 1–2 by Navy in the second qualification round, causing them to be eliminated too.