| Coordinates: | 52.9667°N 13.8°W |
| Image Plan: | Althüttendorf_in_BAR.png |
| State: | Brandenburg |
| District: | Barnim |
| Amt: | Joachimsthal (Schorfheide) |
| Elevation: | 75 |
| Area: | 18.63 |
| Postal Code: | 16247 |
| Area Code: | 03 33 61 |
| Licence: | BAR |
| Gemeindeschlüssel: | 12 0 60 012 |
| Divisions: | 2 Ortsteile |
| Website: | www.amt-joachimsthal.de |
| Mayor: | Wilfried Kornack[1] |
| Leader Term: | 2024 - 29 |
Althüttendorf is a municipality in the district of Barnim in Brandenburg in Germany.
From 1815 to 1947, Althüttendorf was part of the Prussian Province of Brandenburg, from 1947 to 1952 of the State of Brandenburg, from 1952 to 1990 of the Bezirk Frankfurt of East Germany and since 1990 again of Brandenburg.