| Coordinates: | 52.75°N 13.7167°W |
| Image Plan: | Sydower Fließ in BAR.png |
| State: | Brandenburg |
| District: | Barnim |
| Amt: | Biesenthal-Barnim |
| Elevation: | 70-80 |
| Area: | 32.31 |
| Postal Code: | 16230 |
| Area Code: | 03337 |
| Licence: | BAR |
| Gemeindeschlüssel: | 12 0 60 250 |
| Divisions: | 2 Ortsteile |
| Website: | www.amt-biesenthal-barnim.de/gemein6.htm |
| Mayor: | Stefan Seemke[1] |
| Leader Term: | 2024 - 29 |
Sydower Fließ (pronounced as /de/) is a municipality in the district of Barnim in Brandenburg in Germany.
The municipality of Sydower Fließ was formed on 27 September 1998 by merging the municipalities of Grüntal and Tempelfelde.
From 1815 to 1947, the constituent localities of Sydower Fließ were part of the Prussian Province of Brandenburg, from 1947 to 1952 of the State of Brandenburg, from 1952 to 1990 of the East German Bezirk Frankfurt and since 1990 again of Brandenburg, since 1998 united as Sydower Fließ.