Ermsdorf

{{More citations needed|date=February 2024}}

{{Infobox settlement

| name = Ermsdorf

| native_name = Iermsdref

| settlement_type = Former commune

| image_skyline = Ermsdorf Panorama.jpg

| image_map = Map Ermsdorf.PNG

| mapsize = 200px

| coor_pinpoint =

| coordinates = {{coord|3=region:LU_type:adm3rd|display=inline,title}}

| image_shield = Coat of arms ermsdorf luxbrg.png

| shield_size = 100x80px

| subdivision_type = Country

| subdivision_name = {{flag|Luxembourg}}

| subdivision_type1 = District

| subdivision_name1 = Diekirch

| subdivision_type2 = Canton

| subdivision_name2 = Diekirch

| subdivision_type3 = Commune

| subdivision_name3 = Vallée de l'Ernz

| website = [https://web.archive.org/web/20120322110948/http://www.ermsdorf.lu/ ermsdorf.lu]

}}

Ermsdorf ({{Langx|lb|Iermsdref}}) is a village and former commune in eastern Luxembourg. It is part of the canton of Diekirch, which is part of the district of Diekirch.

{{As of|2024}}, the village of Ermsdorf, which lies in the south of the commune, has a population of 466.{{Cite web |url=https://data.public.lu/fr/datasets/registre-national-des-personnes-physiques-rnpp-population-par-localite-population-per-locality/ |title=Registre national des personnes physiques RNPP : Population par localité |date=2024-01-07 |website=data.public.lu}}

In 2011, Ermsdorf merged with Medernach to become the commune of Vallée de l'Ernz.