| Mount Osorakan | |
| Other Name: | 恐羅漢山 |
| Elevation M: | 1346 |
| Listing: | List of mountains and hills of Japan by height |
| Location: | Honshu, Japan |
| Range: | Chūgoku Mountains |
| Map: | Japan |
| Label Position: | right |
| Map Size: | 250 |
| Coordinates: | 34.5956°N 132.1297°W |
is a mountain on the border of Akitakata, Hiroshima Prefecture, and Masuda, Shimane Prefecture, Japan. Situated inside the Nishi-Chugoku Sanchi Quasi-National Park, the mountain is the tallest of both Hiroshima and Shimane prefectures.[1]