Pinneshiri (ピンネシリ) 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 The Three Mountains of Kabato (樺戸三山, Kabato Sanzan).

There are two climbing routes: On the first Sunday of July, Shintotsukawa hosts a race up Pinneshiri (ピンネシリ登山マラソン, Pinneshiri Tozan Marason)