Hamm (Sieg)

{{Infobox German location

|image_coa = Wappen_Hamm_Sieg.png

|coordinates = {{coord|50|46|0|N|7|40|33|E|format=dms|display=inline,title}}

|image_plan = Hamm (Sieg) in AK.svg

|state = Rheinland-Pfalz

|district = Altenkirchen

|Verbandsgemeinde = Hamm (Sieg)

|elevation = 220

|area = 3.66

|postal_code = 57577

|area_code = 02682

|licence = AK

|Gemeindeschlüssel = 07 1 32 044

|website = {{url|https://www.hamm-sieg.de}}

|mayor = Bernd Niederhausen[https://www.wahlen.rlp.de/de/kw/wahlen/kd/gebiete/1320000000000.html Direktwahlen 2019, Landkreis Altenkirchen], Landeswahlleiter Rheinland-Pfalz, accessed 3 August 2021.

|leader_term = 2019–24

|party =

}}

Hamm is a municipality in the district of Altenkirchen, in Rhineland-Palatinate, Germany. It is situated on the river Sieg, approx. 10 km north-east of Altenkirchen, and 40 km east of Bonn.

Hamm is the seat of the Verbandsgemeinde ("collective municipality") Hamm (Sieg). It is the home of the [https://web.archive.org/web/20120402052222/http://www.deutsches-raiffeisenmuseum.de/Seite14.html Raiffeisenmuseum] honouring Friedrich Wilhelm Raiffeisen who pioneered rural credit unions.