| Zlast | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Gorj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Budieni, Ungureni, Barza, Botorogi |
| Length: | 18km (11miles) |
| Mouth: | Amaradia |
| Mouth Coordinates: | 44.9824°N 23.233°W |
| Progression: | Amaradia→ |
| Basin Size: | 100km2 |
| Tributaries Left: | Sașa |
| Tributaries Right: | Budieni |
| Custom Label: | River code |
| Custom Data: | VII.1.26.5 |
The Zlast is a left tributary of the river Amaradia in Romania. It flows into the Amaradia close to its confluence with the Jiu, near Iași-Gorj. Its length is 18km (11miles) and its basin size is 100km2.