| Poullan-sur-Mer | |
| Native Name: | Poullann |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Poullan-sur-mer (Finistère).svg |
| Coordinates: | 48.0817°N -4.4119°W |
| Elevation Min M: | 0 |
| Elevation Max M: | 101 |
| Insee: | 29226 |
| Postal Code: | 29100 |
| Arrondissement: | Quimper |
| Canton: | Douarnenez |
| Mayor: | Christian Grijol[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Douarnenez Communauté |
| Area Km2: | 30.35 |
Poullan-sur-Mer (in French pronounced as /pulɑ̃ syʁ mɛʁ/, literally Poullan on Sea;) is a commune in the Finistère department of Brittany in north-western France.
Inhabitants of Poullan-sur-Mer are called in French Poulannais.