| Südlohn | |
| Image Coa: | DEU Suedlohn COA.svg |
| Coordinates: | 51.9436°N 6.8664°W |
| Image Plan: | Südlohn in BOR.svg |
| State: | Nordrhein-Westfalen |
| Region: | Münster |
| District: | Borken |
| Elevation: | 54 |
| Area: | 46 |
| Postal Code: | 46354, 46350 |
| Area Code: | 02862 |
| Licence: | BOR |
| Gemeindeschlüssel: | 05 5 54 060 |
| Website: | www.suedlohn.de |
| Mayor: | Werner Stödtke[1] |
| Leader Term: | 2020 - 25 |
| Party: | independent |
Südlohn is a municipality in the district of Borken in the northwestern part of North Rhine-Westphalia, Germany. It is located right at the border with the Netherlands, approx. 10 km east of Winterswijk. It consists of the villages Südlohn and Oeding.