| Arnsberg | |
| Native Name: | German: Regierungsbezirk Arnsberg |
| Native Name Lang: | de |
| Settlement Type: | Regierungsbezirk |
| Subdivision Type: | Country |
| Subdivision Name: | Germany |
| Subdivision Type1: | State |
| Subdivision Name1: | North Rhine-Westphalia |
| Extinct Title: | Disestablished |
| Seat Type: | Region seat |
| Seat: | Arnsberg |
| Leader Party: | CDU |
| Leader Name: | Heinrich Böckelühr |
| Leader Title: | District President |
| Area Total Km2: | 8002.34 |
| Population Density Km2: | auto |
| Demographics Type1: | GDP |
| Demographics1 Footnotes: | [1] |
| Demographics1 Title1: | Total |
| Demographics1 Info1: | €142.593 billion (2022) |
| Registration Plate: | AR |
Arnsberg (pronounced as /de/) is one of the five Regierungsbezirke of North Rhine-Westphalia, Germany, located in the west-central part of the country. It covers the Sauerland hills as well as the east part of the Ruhr area.
The region was founded in 1815 as a subdivision of the Prussian Province of Westphalia.
Kreise
(counties)
Kreisfreie Städte
(independent cities)
The Gross domestic product (GDP) of the region was 124.8 billion € in 2018, accounting for 3.7% of German economic output. GDP per capita adjusted for purchasing power was 32,000 € or 106% of the EU27 average in the same year. The GDP per employee was 95% of the EU average.[2]