Jahnatal

{{Infobox German location

|name = Jahnatal

|image_photo = 20100330405MDR Ostrau Sachsen Kirche Kirchstraße 9.jpg

|image_caption = Holy Trinity Church in Ostrau

|image_coa =

|coordinates = {{coord|51|12|N|13|10|E|format=dms|display=inline,title}}

|image_plan = Jahnatal in FG.png

|state = Sachsen

|district = Mittelsachsen

|Verwaltungsgemeinschaft =

|elevation = 215

|area = 70.96

|postal_code = 04749

|area_code = 034324, 034362

|licence = FG

|Gemeindeschlüssel = 14522275

|divisions = 37

|website =

|mayor = Dirk Schilling[https://wahlen.sachsen.de/buergermeisterwahl-wahlergebnisse-2023.php Wahlergebnisse 2023], Statistisches Landesamt des Freistaates Sachsen. Retrieved 6 July 2023.

|leader_term = 2023–30

|party = CDU

}}

Jahnatal is a municipality in the district of Mittelsachsen in Saxony in Germany. It was established on 1 January 2023 with the merger of the municipalities of Ostrau and Zschaitz-Ottewig.{{cite web|url=https://daten2.verwaltungsportal.de/dateien/seitengenerator/9d5aa94d6d4b6ddcf70269f38ab4c19470903/endversion_18.pdf|title=Gemeindefusion Ostrau/Zschaitz-Ottewig |work=Jahnataler Echo Jahrgang 18 Nr. 1|date=26 January 2022|accessdate=9 January 2023|pages=5–7}}