| Oze River | |
| Name Other: | 小瀬川 |
| Subdivision Type1: | Country |
| Subdivision Name1: | Japan |
| Subdivision Type2: | State |
| Subdivision Name2: | Honshu |
| Subdivision Type3: | Region |
| Subdivision Name3: | Hiroshima, Yamaguchi |
| Length: | 59km (37miles)[1] |
| Source1: | Onigajoyama (鬼ヶ城山) |
| Source1 Location: | Hatsukaichi, Hiroshima |
| Source1 Elevation: | NaNurl=http://www.cgr.mlit.go.jp/ootagawa/ozegawaseibi/planan/plan.htm |
| Mouth: | Seto Inland Sea |
| Mouth Location: | Waki, Yamaguchi |
| Mouth Coordinates: | 34.2108°N 132.2463°W |
| Basin Size: | 340km2 |
The is a river in Hiroshima Prefecture and Yamaguchi Prefecture, Japan. The river forms part of the border between the two prefectures, which used to be the border between former Suō Province and Aki Province. It is also known as .[1] [2]