AUU Inter Bangkok Football Club (Thai สโมสรฟุตบอลเอยูยู อินเตอร์ แบงค็อก), is a Thai semi professional football club based in Pathum Thani. The club was founded in 2015 as Bangkok University Deffo. The club is currently playing in the Thai League 3 Bangkok metropolitan region.
The club was established in 2015 as Bangkok University Deffo Football Club.
In 2018, the club had renamed to Deffo Football Club competed in Thai League 3.
In 2019, after relegated to Thai League 4 the club had token over and renamed to Rangsit United Football Club.
In 2020, the club was taken over and renamed to Inter Bangkok Football Club.
In 2022, AUU Inter Bangkok competed in the Thai League 3 for the 2022–23 season. It is their 8th season in the professional league. The club started the season with a 0–1 away defeat to North Bangkok University and they ended the season with a 0–0 home draw with North Bangkok University. The club has finished 10th place in the league of the Bangkok metropolitan region. In addition, in the 2022–23 Thai FA Cup AUU Inter Bangkok was defeated 0–5 by Navy in the first round, causing them to be eliminated and in the 2022–23 Thai League Cup AUU Inter Bangkok was defeated 0–1 by Siam in the first qualification round, causing them to be eliminated too.