| Periac | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Maramureș County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Suciu de Sus |
| Length: | 8km (05miles) |
| Source1: | Lăpuș Mountains |
| Source1 Coordinates: | 47.3694°N 24.0142°W |
| Source1 Elevation: | 724m (2,375feet) |
| Mouth: | Suciu |
| Mouth Location: | Suciu de Sus |
| Mouth Coordinates: | 47.4281°N 24.0281°W |
| Mouth Elevation: | 409m (1,342feet) |
| Progression: | Suciu→ |
| Basin Size: | 29km2 |
| Tributaries Right: | Șerpoaia |
The Periac is a left tributary of the river Suciu in Romania. It flows into the Suciu in Suciu de Sus.[1] Its length is 8km (05miles) and its basin size is 29km2.