| Pinneshiri | |
| Other Name: | ピンネシリ |
| Elevation M: | 1100.4 |
| Elevation Ref: | [1] |
| Map: | Japan |
| Label Position: | left |
| Listing: | List of mountains and hills of Japan by height |
| Translation: | Male Mountain |
| Language: | Ainu |
| Location: | Hokkaidō, Japan |
| Range: | Kabato Mountains |
| Coordinates: | 43.4919°N 141.7067°W |
| Topo: | Geospatial Information Authority 25000:1 ピンネシリ 50000:1 留萌 |
is a mountain located in the Kabato Mountains on the border of Tōbetsu and Shintotsukawa, Hokkaidō, Japan. Pinneshiri derives its name from the Ainu language pinne-sir, meaning "male land". The name of neighboring Mount Machine means "female land". Pinneshiri, Mount Kamuishiri, and Mount Machine are together known as .
There are two climbing routes:
On the first Sunday of July, Shintotsukawa hosts