| Type: | commune |
| County: | Neamț |
| Sagna | |
| Leader Name: | Gheorghe Iacob |
| Leader Party: | PSD |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 46.97°N 27.008°W |
| Elevation: | 205 |
| Area Total: | 54.49 |
| Population Total: | auto |
| Postal Code: | 617395 |
| Area Code: | +(40) 233 |
Sagna is a commune in Neamț County, Western Moldavia, Romania. It is composed of three villages: Luțca, Sagna, and Vulpășești. It also included Gâdinți village until 2004, when it was split off to form Gâdinți Commune.