| Proceno | |
| Official Name: | Comune di Proceno |
| Coordinates: | 42.75°N 60°W |
| Region: | Lazio |
| Province: | Viterbo (VT) |
| Frazioni: | Centeno, Le Piane |
| Mayor: | Roberto Pinzi |
| Area Total Km2: | 42.02 |
| Population Footnotes: | [1] |
| Population Total: | 562 |
| Population As Of: | 31 December 2014 |
| Population Demonym: | Procenesi |
| Elevation M: | 418 |
| Postal Code: | 01020 |
| Area Code: | 0763 |
Proceno is a Italian: [[comune]] (municipality) in the Province of Viterbo in the Italian region of Latium, located about 110km (70miles) northwest of Rome and about 45km (28miles) northwest of Viterbo.
Proceno borders the following municipalities: Acquapendente, Castell'Azzara, Piancastagnaio, San Casciano dei Bagni, Sorano. Saint Agnes of Montepulciano established a monastery here.