| Jieshi | |
| Native Name: | 界石镇 |
| Native Name Lang: | zh |
| Settlement Type: | Town |
| Pushpin Map: | China Shandong |
| Pushpin Map Caption: | Location in Shandong |
| Coordinates: | 37.2767°N 121.8735°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Shandong |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Weihai |
| Subdivision Type3: | District |
| Subdivision Name3: | Wendeng |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 186.4 |
| Elevation M: | 44 |
| Elevation Ft: | 144 |
| Population Total: | 32300 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
Jieshi is a town under the administration of Wendeng District, eastern Shandong province, China.
In its present form, it was formed in 2001.
Jieshi is located west-northwest of central Wendeng. Within Wendeng, it borders the town of to the south.[1] It also borders Huancui District to the north and Yantai City's Muping District to the west. The town oversees 65 administrative villages (Chinese: 行政村) and 88 natural villages (Chinese: 自然村).
Jieshi sits in a basin surrounded on four sides by low-lying mountains, among them the Kunyu Mountains (Chinese: 昆嵛山), the primary peak of which is Mount Taibo (Chinese: 泰礴顶).