| Pârâul Sec | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Vâlcea County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Titești, Bratovești, Bradu-Clocotici |
| Length: | 11km (07miles) |
| Mouth: | Olt |
| Mouth Location: | Racovița |
| Mouth Coordinates: | 45.4021°N 24.3055°W |
| Basin Size: | 50km2 |
| Tributaries Left: | Barbu |
| Tributaries Right: | Bumbuești |
The Pârâul Sec is a left tributary of the river Olt in Romania. It flows into the Olt near Racovița. Its length is 11km (07miles) and its basin size is 50km2.