| Kiyauk | |
| Mouth: | Zigan |
| Mouth Coordinates: | 53.7045°N 56.3915°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Bashkortostan, Russia |
| Length: | 18km (11miles) |
| Basin Size: | 76km2 |
| Progression: | Zigan→ |
The Kiyauk (Russian: Кияук;, Qıyawıq) is a river in Ishimbaysky District, Bashkortostan, Russia. It is a left tributary of the Zigan. It is 18km (11miles) long, and its drainage basin covers 76km2.[1]
On the shore near the river were found skeletal remains of a mammoth—teeth and tusks up to 5feet long, and other parts.[2]