Assumption United Football Club (Thai สโมสรฟุตบอลอัสสัมชัญ ยูไนเต็ด) is a Thailand semi professional football club based in Bangkok.

The club is currently playing in the Thai League 3 Western region.

In 2022, Assumption United competed in the Thai League 3 for the 2022–23 season.

[2] The club has finished 9th place in the league of the Western region.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.