| Coordinates: | 52.9333°N 14.05°W |
| Image Plan: | Parsteinsee_in_BAR.png |
| State: | Brandenburg |
| District: | Barnim |
| Amt: | Amt Britz-Chorin-Oderberg |
| Elevation: | 60 |
| Area: | 16.91 |
| Postal Code: | 16248 |
| Area Code: | 033365 |
| Licence: | BAR |
| Gemeindeschlüssel: | 12 0 60 185 |
| Divisions: | 2 Ortsteile |
| Mayor: | Michael Stürmer[1] |
| Leader Term: | 2024 - 29 |
Parsteinsee is a municipality in the district of Barnim in Brandenburg in Germany.
The municipality of Parsteinsee was formed in 2002 by merging the municipalities of Parstein and Lüdersdorf.
From 1815 to 1945, the constituent localities of Parsteinsee were part of the Prussian Province of Brandenburg, from 1945 to 1952 of the State of Brandenburg, from 1952 to 1990 of the East German Bezirk Frankfurt and since 1990 again of Brandenburg.