| Arielli | |
| Official Name: | Comune di Arielli |
| Coordinates: | 42.2667°N 32°W |
| Province: | (CH) |
| Frazioni: | Colle Martino, Contrada Valle, Fonte delle Chiavi, Fonte Grande, Pescarese, San Romano, Villa Carloni |
| Mayor: | Catia Benarrivato |
| Area Total Km2: | 11.72 |
| Population Footnotes: | [1] |
| Population Total: | 1143 |
| Population As Of: | 30 April 2017 |
| Population Demonym: | Ariellesi |
| Elevation M: | 298 |
| Saint: | St. Michael Archangel |
| Day: | 29 September |
| Postal Code: | 66030 |
| Area Code: | 0871 |
Arielli (Neapolitan: Rijille) is a village and comune in the province of Chieti, Abruzzo, central-eastern Italy, located on a hill overlooking the spring area of the homonymous river.
Its territory is hilly, rich in vineyards and olive groves.
Arielli was on the Gustav Line during WW2.