| Iapa | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Neamț |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Negulești, Luminiș |
| Length: | 24km (15miles) |
| Source1: | Munții Goșmanului |
| Mouth: | Bistrița |
| Mouth Location: | Chintinici |
| Mouth Coordinates: | 46.8328°N 26.4978°W |
| Basin Size: | 75km2 |
| Tributaries Left: | Chilii |
| Tributaries Right: | Mânza, Mânișu, Piceala, Jilabău, Tilișeu, Mălina |
The Iapa is a right tributary of the river Bistrița in Romania. It flows into the Bistrița in Chintinici near Roznov.[1] Its length is 24km (15miles) and its basin size is 75km2.