| Guiclan | |
| Native Name: | Gwiglann |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Guiclan (Finistère).svg |
| Coordinates: | 48.5519°N -3.9603°W |
| Insee: | 29068 |
| Postal Code: | 29410 |
| Arrondissement: | Morlaix |
| Canton: | Landivisiau |
| Mayor: | Robert Bodiguel[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de Landivisiau |
| Elevation Min M: | 3 |
| Elevation Max M: | 131 |
| Area Km2: | 42.64 |
Guiclan (pronounced as /fr/;) is a commune in the Finistère department of Brittany in north-western France.
Inhabitants of Guiclan are called in French Guiclanais.