| Guiler-sur-Goyen | |
| Native Name: | Gwiler-Kerne |
| Commune Status: | Commune |
| Coordinates: | 48.0167°N -4.3583°W |
| Insee: | 29070 |
| Postal Code: | 29710 |
| Arrondissement: | Quimper |
| Canton: | Plonéour-Lanvern |
| Mayor: | Jacques Cariou[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | Haut-Pays Bigouden |
| Elevation Min M: | 25 |
| Elevation Max M: | 133 |
| Area Km2: | 11.25 |
Guiler-sur-Goyen is a commune in the Finistère department of Brittany in north-western France.
Inhabitants of Guiler-sur-Goyen are called in French Guileriens.