| Ollans | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Ollans 25.svg |
| Coordinates: | 47.4183°N 6.2456°W |
| Insee: | 25430 |
| Postal Code: | 25640 |
| Arrondissement: | Besançon |
| Canton: | Baume-les-Dames |
| Mayor: | Michel Lab[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 234 |
| Elevation Max M: | 297 |
| Area Km2: | 2.31 |
Ollans (in French pronounced as /ɔlɑ̃/) is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.
Ollans lies 20km (10miles) north of Marchaux on the border of the department of Haute-Saône. It is situated on the Ognon, which forms the border between the two departments.