| Official Name: | Silvalen |
| Other Name: | Herøy Herøyholmen |
| Settlement Type: | Village |
| Pushpin Map: | Nordland#Norway |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Nordland |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Northern Norway |
| Subdivision Name2: | Nordland |
| Subdivision Type3: | District |
| Subdivision Name3: | Helgeland |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Herøy |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Area Total Km2: | 0.99 |
| Population As Of: | 2018 |
| Population Total: | 860 |
| Population Density Km2: | 869 |
| Postal Code Type: | Post Code |
| Postal Code: | 8850 Herøy |
| Coordinates: | 65.9832°N 12.2886°W |
| Elevation M: | 7 |
| Elevation Footnotes: | [1] |
Silvalen (or Herøyholmen) is the administrative centre of the municipality of Herøy in Nordland county, Norway. The village is located on two different islands, Nord-Herøy and Sør-Herøy, with the Herøysundet strait running between them. The Herøysundet Bridge crosses the strait, connecting both sides of the village. Herøy Church is located in the southern part of the village.[2]
The 0.99km2 village has a population (2018) of 860 and a population density of .[3]