Rettenberg

{{Infobox German location

|image_coa = DEU Rettenberg COA.svg

|image_photo = Rettenberg im Oberallgäu, Ortskern, Blick vom Grünten, 2005.jpg

|image_caption = Rettenberg

|coordinates = {{coord|47|35|N|10|18|E|format=dms|display=inline,title}}

|image_plan = Rettenberg in OA.svg

|state = Bayern

|region = Schwaben

|district = Oberallgäu

|elevation = 805

|area = 60.08

|postal_code = 87549

|area_code = 08327

|licence = OA

|Gemeindeschlüssel = 09 7 80 137

|mayor = Nikolaus Weißinger[https://www.statistik.bayern.de/wahlen/kommunalwahlen/bgm/ Liste der ersten Bürgermeister/Oberbürgermeister in kreisangehörigen Gemeinden], Bayerisches Landesamt für Statistik, 15 July 2021.

|leader_term = 2020–26

|party =

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

}}

Rettenberg is a municipality in the district of Oberallgäu in Bavaria, Germany.