Dollnstein () is a municipality in the district of Eichstätt in Bavaria in Germany. The name Dollnstein has its origins in Middle High German "Tollunstein".
Dollnstein was first mentioned in 1007 as a tiny village named Tollenstein. The castle of Dollnstein was built probably in the mid of the 12th century from the counts von Hirschberg.
Since the 13th century the village was a market for the exchange of goods. From 1440 onwards the village was related to Eichstätt and an administration and judicial authority was located in Dollnstein.