|Municipal assoc.||Kirchen (Sieg)|
|• Mayor (2019–24)||Andreas Hundhausen (SPD)|
|• Total||39.59 km2 (15.29 sq mi)|
|Elevation||230 m (750 ft)|
|• Density||210/km2 (550/sq mi)|
|Time zone||UTC+01:00 (CET)|
|• Summer (DST)||UTC+02:00 (CEST)|
Kirchen (Sieg) is a town and Luftkurort (climatic spa) in the district of Altenkirchen in the north of Rhineland-Palatinate, Germany. It is situated on the river Sieg, approx. 12 km southwest of Siegen. Among its notable features is the Freusburg castle.
- Jürgen Alzen (born 1962), automobile racing driver
- Uwe Alzen (born 1967), automobile racing driver
- Georg Bätzing (born 1961), Catholic clergyman, bishop of Limburg
- Christoph Klein (born 1964), pediatric oncologist and medical director of the Haunersch Children 's Hospital of the Clinic of the University of Munich
- Heinrich Kraemer (1842-1907), mayor, parliamentary and state parliament deputy
- Thomas Kraft (born 1988), soccer player
- Barbara Rudnik (1958-2009), actress
- Luca Stolz (born 1995), automobile racing driver
- Direktwahlen 2019, Landkreis Altenkirchen, Landeswahlleiter Rheinland-Pfalz, accessed 3 August 2021.
- "Bevölkerungsstand 2020, Kreise, Gemeinden, Verbandsgemeinden". Statistisches Landesamt Rheinland-Pfalz (in German). 2021.