| Graffignano | |
| Official Name: | Comune di Graffignano |
| Coordinates: | 42.5667°N 24°W |
| Region: | Lazio |
| Province: | Viterbo (VT) |
| Frazioni: | Sipicciano, Tardani, Pisciarello |
| Mayor: | Anselmo Uzzoletti |
| Area Total Km2: | 29.1 |
| Population Footnotes: | [1] |
| Population Total: | 2211 |
| Population As Of: | 31 August 2017 |
| Population Demonym: | Graffignanesi |
| Elevation M: | 187 |
| Postal Code: | 01020 |
| Area Code: | 0761 |
Graffignano is a Italian: [[comune]] (municipality) in the Province of Viterbo in the Italian region of Latium, located about 80km (50miles) northwest of Rome and about 20km (10miles) northeast of Viterbo.
Graffignano borders the following municipalities: Alviano, Attigliano, Bomarzo, Civitella d'Agliano, Lugnano in Teverina, Viterbo. Sights include the Baglioni Castle (13th century), church of San Martino Vescovo.