Dollendorf is a village in the municipality of Blankenheim in the district of Euskirchen in the German state of North Rhine-Westphalia. It gives its name to the surrounding limestone depression (Kalkmulde).

Dollendorf was incorporated into Blankenheim on 1 July 1969.

• Catholic parish church of St. John the Baptist (14th century tower; nave built 1732–1736)
• War memorial to the fallen of the First World War; inaugurated on 30 May 1926
• Typical farmhouses from the 18th and 19th centuries.
• Chapel of St. Anthony of Padua (on the stations of the cross between Dollendorf and Schloßthal)
• Dollendorf Castle ruins
• Neuweiler Castle not far from Ahrhütte, below Schloßthal (wall remains)
• Haus Vellen or Vellerhof (Clemens-Josef-Haus), courtyard building from the 18th century with chapel and its own cemetery.

• Franz-Josef Außem: Die Pflanzenwelt in der Dollendorfer Kalkmulde in der Eifel. Cologne, 1994. ISBN 3-88094-745-7
• Johannes Becker: Geschichte der Pfarreien des Dekanats Blankenheim. Cologne, 1993, pp. 461 ff.
• Christoph Bungartz, Ralf Gier, Peter Scheulen: Von der Eifel nach Amerika. Auswanderung nach Nordamerika 1840–1914. Euskirchen, 2005. ISBN 3-935221-55-X
• Hermann Bungartz: Dollendorf/Eifel. Landschaft und Geschichte., 2nd expanded edn., Hillesheim, 1989
• Dollendorf. Bilder eines Eifeldorfes., Cologne, 1993
• Peter Neu: Rheinischer Städteatlas. Dollendorf, Bonn 1976
• Ernst Wackenroder: Die Kunstdenkmäler des Kreises Schleiden, Düsseldorf, 1932, pp. 98–108

• Our Dollendorf