1. FC Rielasingen-Arlen

{{short description|German football club}}

{{Infobox football club

| clubname = 1. FC Rielasingen-Arlen

| image = 1. FC Rielasingen-Arlen.png

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| founded = 1999

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| ground = Sportanlage an den Talwiesen

| capacity = 1,500

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| league = Oberliga Baden-Württemberg (V)

| season = 2020-21

| position = Oberliga Baden-Württemberg (V), 16th of 21

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| current = 2021-22

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1. FC Rielasingen-Arlen is a German football club based in Rielasingen-Worblingen in the state of Baden-Württemberg. It was founded in 1999 as a merger between FV Arlen (1906) and FC Rielasingen (1919). 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.{{cite news |title=1. FC Rielasingen-Arlen im Pokalrausch: Verbandsligist löst Ticket für DFB-Pokal |trans-title=1. FC Rielasingen-Arlen in Cup sweep: Verbandsliga team secure ticket for DFB-Pokal|url=https://www.suedkurier.de/ueberregional/sport/regionalsport-bodensee-west/1-FC-Rielasingen-Arlen-im-Pokalrausch-Verbandsligist-loest-Ticket-fuer-DFB-Pokal;art2783,9267963 |accessdate=29 July 2018 |work=Südkurier|date=25 May 2017 |language=German}} In doing so, they qualified for the first time for the DFB-Pokal. In the first round on 12 August 2017, they hosted Bundesliga club Borussia Dortmund at SC Freiburg's Schwarzwald-Stadion, losing 4–0.{{cite news |last1=Spratt |first1=Ben |title=Rielasingen-Arlen 0 Borussia Dortmund 4: Aubameyang hits hat-trick for holders |url=http://www.goal.com/en-tz/news/5786/main/2017/08/12/37737282/rielasingen-arlen-0-borussia-dortmund-4-aubameyang-hits-hat |accessdate=29 July 2018 |publisher=Goal.com |date=12 August 2017}}