| Cize | |
| Commune Status: | Commune |
| Arrondissement: | Bourg-en-Bresse |
| Canton: | Saint-Étienne-du-Bois |
| Insee: | 01106 |
| Postal Code: | 01250 |
| Mayor: | Luc Desbois[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bassin de Bourg-en-Bresse |
| Coordinates: | 46.2042°N 5.4458°W |
| Elevation M: | 433 |
| Elevation Min M: | 264 |
| Elevation Max M: | 540 |
| Area Km2: | 4.52 |
Cize (in French pronounced as /siz/) is a commune in the Ain department in eastern France.