| Type: | town |
| County: | Sibiu |
| Official Name: | Ocna Sibiului |
| Population Total: | auto |
| Leader Name: | George-Claudiu Predescu[1] |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 45.8747°N 24.0667°W |
| Elevation: | 408 |
| Area Total: | 87.46 |
| Postal Code: | 555600 |
Ocna Sibiului (;) is a town in the centre of Sibiu County, in southern Transylvania, central Romania, 10 km to the north-west of the county capital Sibiu. The town administers a single village, Topârcea (Tschapertsch; Toporcsa).
At the 2011 census, 89.4% of inhabitants were Romanians and 9.7% Hungarians.