| Type: | Stadt |
| Image Coa: | Wappen Schlettau.png |
| Coordinates: | 50.5586°N 12.9511°W |
| Image Plan: | Schlettau in ERZ.png |
| State: | Sachsen |
| District: | Erzgebirgskreis |
| Verwaltungsgemeinschaft: | Scheibenberg-Schlettau |
| Elevation: | 612 |
| Area: | 21.17 |
| Postal Code: | 09487 |
| Area Code: | 03733 |
| Licence: | ERZ, ANA, ASZ, AU, MAB, MEK, STL, SZB, ZP |
| Gemeindeschlüssel: | 14521520 |
| Website: | www.schlettau.de |
| Mayor: | Conny Göckeritz[1] |
| Leader Term: | 2022 - 29 |
Schlettau is a town in the district of Erzgebirgskreis, in Saxony in Germany. It is situated in the Ore Mountains, 5 km southwest of Annaberg-Buchholz, and 12 km east of Schwarzenberg.
From 1952 to 1990, Schlettau was part of the Bezirk Karl-Marx-Stadt of East Germany.