| Guiscriff | |
| Native Name: | Gwiskri |
| Commune Status: | Commune |
| Coordinates: | 48.0506°N -3.6442°W |
| Insee: | 56081 |
| Postal Code: | 56560 |
| Arrondissement: | Pontivy |
| Canton: | Gourin |
| Mayor: | Renée Courtel[1] |
| Term: | 2020–2026 |
| Intercommunality: | Roi Morvan Communauté |
| Elevation Min M: | 70 |
| Elevation Max M: | 237 |
| Area Km2: | 85.46 |
Guiscriff (pronounced as /fr/; br|Gwiskri) is a commune in the Morbihan department in Brittany in north-western France.[2]
Inhabitants of Guiscriff are called Guiscrivites. Guiscriff's population peaked at 5,896 in 1921 and declined to 2,081 in 2020. This represents a 65% decrease in total population since the peak census figure.
Historically, the village belongs to Cornouaille. The village centre is located 21km (13miles) north of Quimperlé and 35km (22miles) east of Quimper.
thumb|center| Coat of arms of the Toultenoutre, lords of Penehoc in Guiscriff.