Selm

Selm
Town
Coat of arms
Location of Selm within Unna district
Location of Selm
Selm Location within Germany Selm Location within North Rhine-Westphalia
Coordinates: 51°41′N 7°29′E
Country	Germany
State	North Rhine-Westphalia
Admin. region	Arnsberg
District	Unna
Government
• Mayor (2025–)	Heinz-Georg Mors (CDU)
Area
• Total	60.41 km2 (23.32 sq mi)
Elevation	111 m (364 ft)
Population  (2025-12-31)
• Total	25,817
• Density	427.4/km2 (1,107/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	59379
Dialling codes	02592, 02306
Vehicle registration	UN
Website	www.selm.de

Selm (German pronunciation: [zɛlm] ^ⓘ) is a town in the district of Unna, in North Rhine-Westphalia, Germany. It is situated approximately 20 kilometers north of Dortmund and 25 kilometers west of Hamm.