Lannilis
| Lannilis Lanniliz | |
|---|---|
| The Chateau of Kerouartz | |
| Location of Lannilis | |
| Coordinates: 48°34′15″N 4°31′08″W / 48.5708°N 4.5189°W | |
| Country | France | 
| Region | Brittany | 
| Department | Finistère | 
| Arrondissement | Brest | 
| Canton | Plabennec | 
| Government | |
| • Mayor (2020–2026) | Jean-François Tréguer | 
| Area 1 | 23.52 km2 (9.08 sq mi) | 
| Population  (2022) | 5,712 | 
| • Density | 240/km2 (630/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 29117 /29870 | 
| Elevation | 0–58 m (0–190 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Lannilis (French pronunciation: [lanilis]; Breton: Lanniliz) is a commune in the Finistère department of Brittany in north-western France.