FC Rielasingen-Arlen is a German football club based in Rielasingen-Worblingen in the state of Baden-Württemberg.

It plays in the Oberliga Baden-Württemberg in the fifth tier of the German football league system.

The team won the 2016–17 South Baden Cup, defeating VfR Hausen 6–1 in the final.

In the first round on 12 August 2017, they hosted Bundesliga club Borussia Dortmund at SC Freiburg's Schwarzwald-Stadion, losing 4–0.

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