| Castilenti | |
| Official Name: | Comune di Castilenti |
| Coordinates: | 42.5333°N 68°W |
| Province: | (TE) |
| Frazioni: | Casabianca, Colle della Morte, Vicenne, Villa San Romualdo |
| Area Total Km2: | 23 |
| Population Footnotes: | [1] |
| Population Total: | 1615 |
| Population As Of: | 1 January 2007 |
| Population Demonym: | Castilentesi |
| Elevation M: | 272 |
| Saint: | Santa Vittoria |
| Day: | 23 December |
| Postal Code: | 64035 |
| Area Code: | 0861 |
| Istat: | 067014 |
| Fractions: | Atri, Castiglione Messer Raimondo, Elice (PE), Montefino, Penne (PE) |
| Fiscal Code: | C322 |
Castilenti (locally Castilinde) is a town and comune in Teramo province in the Abruzzo region of eastern Italy.