| Demitz-Thumitz/Zemicy-Tumicy | |
| Image Coa: | Wappen Demitz-Thumitz.png |
| Coordinates: | 51.1333°N 29°W |
| Image Plan: | Demitz-Thumitz in BZ.svg |
| State: | Sachsen |
| District: | Bautzen |
| Elevation: | 250 |
| Area: | 21.07 |
| Postal Code: | 01877 |
| Area Code: | 03594 |
| Licence: | BZ, BIW, HY, KM |
| Gemeindeschlüssel: | 14625100 |
| Divisions: | 9 |
| Website: | www.demitz-thumitz.de |
| Mayor: | Jens Glowienka[1] |
| Leader Term: | 2020 - 27 |
| Party: | CDU |
Demitz-Thumitz (German) or Zemicy-Tumicy (Upper Sorbian, pronounced as /hsb/) is a municipality in the east of Saxony, Germany. It belongs to the district of Bautzen.
The municipality is situated at the edge of the Lausitzer Bergland (Lusatian Hills).
The following villages belong to the municipality (names given in German/Upper Sorbian):
Within the German Empire (1871-1918), Demitz-Thumitz was part of the Kingdom of Saxony.
Demitz-Thumitz is located at the railroad line Dresden-Görlitz and the Bundesstraße 6 (Dresden-Bautzen).