| Sassenberg | |
| Type: | Stadt |
| Image Coa: | DE Sassenberg COA.svg |
| Coordinates: | 51.9897°N 8.0408°W |
| Image Plan: | Sassenberg in WAF.svg |
| State: | North Rhine-Westphalia |
| Region: | Münster |
| District: | Warendorf |
| Elevation: | 60 |
| Area: | 78.08 |
| Postal Code: | 48336 |
| Area Code: | 02583 (Sassenberg) 05426 (Füchtorf) |
| Licence: | WAF |
| Gemeindeschlüssel: | 05 5 70 036 |
| Website: | www.sassenberg.de |
| Mayor: | Josef Uphoff[1] |
| Leader Term: | 2020 - 25 |
| Party: | CDU |
Sassenberg(pronounced as /de/) is a town in the district of Warendorf, in North Rhine-Westphalia, Germany. It is situated approximately 6 km north-east of Warendorf and 30 km east of Münster.
On July 1, 1969 the municipalities Dackmar, Füchtorf and Gröblingen were incorporated.