Riethgen

{{Infobox German location

|type = Ortsteil

|Municipality = Kindelbrück

|image_photo =

|image_coa =

|coordinates = {{coord|51|15|N|11|7|E|format=dms|display=inline,title}}

|state = Thüringen

|district = Sömmerda

|elevation = 131

|area = 6.77

|postal_code = 99638

|area_code = 036375

|population = 241

|Stand = 2021-12-31

|website = [http://www.riethgen.de www.riethgen.de]

}}

Riethgen is a village and a former municipality in the Sömmerda district of Thuringia, Germany. On 1 January 2023 it became part of the municipality Kindelbrück.{{cite web|url=https://parldok.thueringer-landtag.de/ParlDok/dokument/90042/gesetz_und_verordnungsblatt_nr_26_2022.pdf |title=Thüringer Gesetz- und Verordnungsblatt Nr. 26/2022 |page=476|date= 20 December 2022}}