| Mount Shari | |
| Elevation M: | 1547 |
| Prominence M: | 1070 |
| Map: | Japan |
| Label Position: | right |
| Listing: | 100 Famous Japanese Mountains List of mountains and hills of Japan by height |
| Language: | Japanese |
| Pronunciation: | pronounced as /ja/ |
| Location: | Hokkaidō, Japan |
| Range: | Shiretoko Mountains |
| Coordinates: | 43.7656°N 144.7181°W |
| Topo: | Geospatial Information Authority 25000:1 斜里岳 50000:1 斜里 |
| Type: | Stratovolcano, Lava dome |
| Age: | Quaternary |
| Volcanic Arc/Belt: | Kurile arc |
| Last Eruption: | ca. 0.3-0.25 million years ago |
| Easiest Route: | Hike |
is a quaternary stratovolcano[1] and one of Japan's 100 famous mountains. Its summit is 1547m (5,075feet).[2] The summit consists of Mount Shari, and the western ridge. It is located on the Hokkaidō's Shiretoko Peninsula on the border of Shari and Kiyosato in Shari District, Abashiri and Shibetsu in Shibetsu District, Nemuro.
Its former name in the Ainu language was Onnenupuri. The name Shari in Ainu means marshes where reeds are growing. It is also known by the names or .
The mountain is made mainly of andesite, dacite, and basalt.
The most popular ascent route starts from the Kiyosato side. A public bus (Sharibus) runs three times a day (first at 6:30) from Shiretokoshari Station to the start of the trail.