Rethwisch, Steinburg

{{Infobox German location

|name = Rethwisch

|image_photo =

|image_coa = DEU Rethwisch (Steinburg) COA.svg

|coordinates = {{coord|53|52|0|N|9|35|30|E|format=dms|display=inline,title}}

|image_plan = Rethwisch in IZ.png

|state = Schleswig-Holstein

|district = Steinburg

|Amt = Krempermarsch

|elevation = 5

|area = 9.83

|postal_code = 25566

|area_code = 04828

|licence = IZ

|Gemeindeschlüssel = 01 0 61 092

|website = [http://www.amt-krempermarsch.de/ www.amt-
krempermarsch.de]

|mayor = Michael Nagel

|party =

}}

Rethwisch is a municipality in the district of Steinburg, in Schleswig-Holstein, Germany.