FC Kaan-Marienborn is a German association football club based in Siegen, that competes in Regionalliga West.

The club was founded on 1 July 2007, taking over the football department of TuS 1886 Kaan-Marienborn, which had existed since 1886.

At the end of the season, the team was in 6th place in the table (7 matches, 5 wins, 1 draw, 1 loss).

They achieved this goal at the end of the season, gaining promotion to the 2022–23 Regionalliga West.

FC Kaan-Marienborn withdrew their senior team after the 2022–23 season due to not being able to fulfill future stadium requirements.