| Type: | commune |
| County: | Olt |
| Population Total: | auto |
| Official Name: | Tia Mare |
| Coordinates: | 43.8611°N 24.6369°W |
| Area Total Km2: | 58.06 |
Tia Mare is a commune in Olt County, Oltenia, Romania. It has 4496 inhabitants, nearly all of whom are Romanians and Romanian Orthodox. The commune is composed of three villages: Doanca, Potlogeni and Tia Mare.