| Type: | commune |
| County: | Călărași |
| Population Total: | auto |
| Coordinates: | 44.2667°N 61°W |
| Official Name: | Nana |
| Area Total Km2: | 74.5 |
Nana is a commune in Călărași County, Muntenia, Romania. It is composed of a single village, Nana.
As of 2007 Nana has a population of 2,497.