| Shiriuchi | |
| Native Name: | 知内町 |
| Native Name Lang: | JP |
| Settlement Type: | Town |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | Location of Shiriuchi in Japan |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Prefecture |
| Subdivision Name1: | Hokkaido |
| Subdivision Type2: | Subprefecture |
| Subdivision Name2: | Oshima Subprefecture |
| Subdivision Type3: | District |
| Subdivision Name3: | Kamiiso |
| Leader Title: | Mayor |
| Named For: | Chiri Ochi A place with birds (Ainu language)[1] |
| Area Total Km2: | 196.67 |
| Area Blank1 Title: | Forest[2] |
| Area Blank1 Km2: | 159.93 |
| Population As Of: | 2016-09-30 |
| Population Total: | 4,620 |
| Population Density Km2: | auto |
| Coordinates: | 41.6°N 165°W |
| Postal Code Type: | Post code |
| Postal Code: | 049-1103 |
| Area Code: | 01392 |
| Blank Name Sec1: | Official Tree |
| Blank1 Name Sec1: | Official Flower |
| Blank2 Name Sec1: | Government Office Address |
| Blank2 Info Sec1: | Shiriuchi Yakuba, 21-1 Aza Omanai, Shiriuchi-chō, Kamiiso-gun, Hokkaidō 049-1103 |
| Blank3 Name Sec1: | Government Office Telephone |
| Blank3 Info Sec1: | 01392-5-6161 |
| Website: | http://www.town.shiriuchi.hokkaido.jp/ |
is a town located in Oshima Subprefecture, Hokkaido, Japan.
As of September 2016, the town has an estimated population of 4,620, and a density of 23 persons per km2.
Shiriuchi is located on the southwest of the Oshima Peninsula and faces Tsugaru Strait. Shiriuchi River flows through the town.
The total area is 196.66 km2.
Kaikyō Line runs through the town, and the Hokkaido portal of the Seikan Tunnel is in Yunosato. There used to be Shiriuchi Station, but it closed in March 2014.