Regen (Northern Bavarian: Reng) is a town in Bavaria, Germany, and the district town of the district of Regen.

Regen is situated on the great Regen River, located in the Bavarian Forest.

Originally the town consisted of 4 districts: Bürgerholz, Grubhügel, Riedham and St. Johann.

After a governmental reform the villages of:

were added.

• 1828: 1196
• 1904: 2366
• 1974: 9029
• 2005: 12.553
• 2015: 10.855

Regen is twinned with:

• Eschwege, Germany, since 1997
• Mirebeau, France
• Roth bei Nürnberg, Germany

The "Niederbayrisches Landwirtschaftsmuseum" is a museum showing the history of agriculture and society in Lower Bavaria from the 18th and 19th century.

The "Fressendes Haus" is a former domicile of the poets Clara Nordström (1886–1962) and Siegfried von Vegesack (1888–1974), which was transformed in a museum in 1984 presenting different expositions of historical art and the archeological excavations at the castle ruin of Weißenstein.

• The Pfahl is a 150-kilometre-long quartz ridge. In the vicinity of Weißenstein it reaches its highest point at 750 metres at the site of Weißenstein Castle.

Tourism figures largely in the local economy, with over 64,000 visitors accounting for 220,000 over-night stays last year.

• Clara Nordström, Swedish writer (1886-1962)

• Official website (in German)
• Pichelsteinerfest Regen (in German)