| Image Coa: | DEU Boellen COA.svg |
| Coordinates: | 47.8019°N 7.8408°W |
| Image Plan: | Böllen in LÖ.svg |
| State: | Baden-Württemberg |
| Region: | Freiburg |
| District: | Lörrach |
| Gemeindeverwaltungsverband: | Schönau im Schwarzwald |
| Elevation: | 750 |
| Area: | 5.67 |
| Postal Code: | 79677 |
| Area Code: | 07673 |
| Licence: | LÖ |
| Gemeindeschlüssel: | 08336010 |
| Mayor: | Bruno Kiefer[1] |
| Leader Term: | 2016 - 24 |
Böllen (pronounced as /de/) is a municipality in the southwestern German Federal State of Baden-Württemberg, part of the Lörrach district. The coat of arms of Böllen were granted in 1902. The blazon is Azure issuant from a Base Vert a Mountain Or, reflecting the town's proximity to Mount Belchen, the second highest mountain in the Black Forest.