| Cârțișoara | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Sibiu County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Cârțișoara, Cârța |
| Length: | 24km (15miles) |
| Discharge1 Location: | |
| Discharge1 Avg: | 2.07m3/s |
| Source1: | Near Bâlea Lake, Făgăraș Mountains |
| Mouth: | Olt |
| Mouth Location: | Cârța |
| Mouth Coordinates: | 45.7958°N 24.558°W |
| Basin Size: | 79km2 |
| Tributaries Left: | Pârâul Doamnei, Laița |
| Tributaries Right: | Seaca |
The Cârțișoara (Hungarian: Kerci-patak) is a left tributary of the river Olt in Romania. The source of the Cârțișoara is near Bâlea Lake in the Făgăraș Mountains. It discharges into the Olt in Cârța.[1] Its length is 24km (15miles) and its basin size is 79km2.