| Official Name: | Siljan |
| Settlement Type: | Village |
| Pushpin Map: | Norway Telemark#Norway |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of the village |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Eastern Norway |
| Subdivision Name2: | Telemark |
| Subdivision Type3: | District |
| Subdivision Name3: | Grenland |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Siljan Municipality |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Area Total Km2: | 0.65 |
| Population As Of: | 2022 |
| Population Total: | 824 |
| Population Density Km2: | 1268 |
| Postal Code Type: | Post Code |
| Postal Code: | 3748 Siljan |
| Coordinates: | 59.2878°N 9.7063°W |
| Elevation M: | 100 |
| Elevation Footnotes: | [1] |
Siljan is the administrative centre of Siljan Municipality in Telemark county, Norway. The village is located about to the south of the village of Snurråsen and about to the northeast of the town of Skien.[2]
The 0.65km2 village has a population (2022) of 824 and a population density of .[3]