| Type: | commune |
| County: | Suceava |
| Cornu Luncii | |
| Leader Name: | Gheorghe Fron |
| Leader Party: | PSD |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 47.4667°N 35°W |
| Elevation: | 386 |
| Area Total: | 84 |
| Population Total: | auto |
| Postal Code: | 727140 |
| Area Code: | +40 230 |
Cornu Luncii (German: Kornoluncze) is a commune located in Suceava County, Bukovina, northeastern Romania. It is composed of nine villages: Băișești, Brăiești, Cornu Luncii, Dumbrava, Păiseni, Sasca Mare, Sasca Mică, Sasca Nouă, and Șinca.