Quern

{{about|the location in Germany|grinding stones|Quern-stone|the video-game|Quern - Undying Thoughts}}

{{expand Danish|date=June 2023|topic=geo}}

{{Infobox German location

|type = Ortsteil

|Municipality = Steinbergkirche

|image_photo =

|image_coa = Quern Wappen.png

|coordinates = {{coord|54|45|N|9|43|E|format=dms|display=inline,title}}

|image_plan =

|state = Schleswig-Holstein

|district = Schleswig-Flensburg

|Amt =

|elevation = 24

|area = 22.74

|population = 1289

|Stand = 2013

|postal_code = 24972

|area_code = 04632

|licence = SL

|website =

}}

Quern ({{langx|da|Kværn}}) is a former municipality in the district of Schleswig-Flensburg, in Schleswig-Holstein, Germany. Since 1 March 2013, it has been part of the municipality of Steinbergkirche.