| Oyabe River | |
| Name Other: | 小矢部川 |
| Name Etymology: | Japonic |
| Subdivision Type1: | Country |
| Subdivision Name1: | Japan |
| Subdivision Type2: | State |
| Subdivision Name2: | Toyama |
| Subdivision Type3: | Region |
| Subdivision Name3: | Chūbu |
| Subdivision Type5: | Municipalities |
| Subdivision Name5: | Nanto, Oyabe, Takaoka, Imizu |
| Length: | 68km (42miles) |
| Discharge1 Avg: | 24.31m3/s |
| Source1: | Mount Daimon |
| Source1 Location: | Nanto, Toyama, Japan |
| Source1 Elevation: | 1572m (5,157feet) |
| Mouth: | Sea of Japan |
| Mouth Location: | Takaoka & Imizu, Toyama, Japan |
| Mouth Elevation: | 0m (00feet) |
| Basin Size: | 682km2 |
The is a river in Toyama Prefecture, Japan. The river rises from Mount Daimon on the border of Ishikawa Prefecture and enters the sea at Toyama Bay.
The river runs through the city of Fukumitsu in Toyama, where two kilometres are lined with trees for cherry blossom-viewing.[1]