| Lannéanou | |
| Native Name: | Lanneanoù |
| Commune Status: | Commune |
| Coordinates: | 48.4894°N -3.6714°W |
| Insee: | 29114 |
| Postal Code: | 29640 |
| Arrondissement: | Morlaix |
| Canton: | Plouigneau |
| Mayor: | Hervé Saint Jalm[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | Morlaix Communauté |
| Elevation Min M: | 119 |
| Elevation Max M: | 285 |
| Area Km2: | 16.17 |
Lannéanou (pronounced as /fr/;) is a commune in the Finistère department of Brittany in north-western France.
Inhabitants of Lannéanou are called in French Lannécois.