Cheyssieu
| Cheyssieu | |
|---|---|
| The village in the early 20th century | |
| Location of Cheyssieu | |
| Coordinates: 45°25′47″N 4°50′25″E / 45.4297°N 4.8403°E | |
| Country | France | 
| Region | Auvergne-Rhône-Alpes | 
| Department | Isère | 
| Arrondissement | Vienne | 
| Canton | Vienne-2 | 
| Intercommunality | Entre Bièvre et Rhône | 
| Government | |
| • Mayor (2020–2026) | Gilles Bonneton | 
| Area 1 | 8.55 km2 (3.30 sq mi) | 
| Population  (2022) | 1,051 | 
| • Density | 120/km2 (320/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 38101 /38550 | 
| Elevation | 180–254 m (591–833 ft) (avg. 160 m or 520 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Cheyssieu (French pronunciation: [ʃesjø]) is a commune in the Isère department in southeastern France.