SV Oberachern is a German association football club from the town of Achern, Baden-Wurttemberg. The club's greatest success has been promotion to the tier five Oberliga Baden-Wurttemberg in 2013 but it was relegated again after only one season.
Formed in 1928 the club has long been a local amateur side, rising as far as the Landesliga on occasion. It experienced a measure of success in 1996 when it reached the final of the South Baden Cup but lost to FV Donaueschingen.
The club's rise began in the early 2000s, winning promotion to the Bezirksliga from the Kreisliga in 2004. It earned promotion to the tier six Landesliga Sudbaden 1 after a title in the Bezirksliga Baden-Baden in 2005.
In the Verbandsliga Sudbaden from 2009 onwards, SVO improved season by season, finishing ninth in 2010, fourth in 2011 and runners-up in 2012. The latter allowed the club participation in the promotion round to the Oberliga but it lost to TSG Weinheim on aggregate in the first round. The club had a better 2012–13 season, winning the Verbandsliga and earning direct promotion to the Oberliga Baden-Wurttemberg. In this league SVO came last in 2013–14 and was relegated back to the Verbandsliga Sudbaden. In 2015 it won the league for the second time and another promotion back to the Oberliga.