| Fitilieu | |
| Arrondissement: | La Tour-du-Pin |
| Canton: | Chartreuse-Guiers |
| Insee: | 38165 |
| Postal Code: | 38490 |
| Commune: | Les Abrets-en-Dauphiné |
| Coordinates: | 45.5475°N 5.5619°W |
| Elevation Min M: | 280 |
| Elevation Max M: | 407 |
| Area Km2: | 10.01 |
| Population: | 1941 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Fitilieu (in French pronounced as /fitiljø/; Feteliô) is a former commune in the Isère department in southeastern France. On 1 January 2016, it was merged into the new commune of Les Abrets-en-Dauphiné.[2]
The Bourbre forms most of the commune's western border.