| Official Name: | Vikarbyn |
| Pushpin Map: | Sweden Dalarna#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Rättvik Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Dalarna County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Dalarna |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.57 |
| Population As Of: | 31 December 2010 |
| Population Total: | 1,171 |
| Population Density Km2: | 456 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 60.9092°N 15.0208°W |
Vikarbyn is a locality situated in Rättvik Municipality, Dalarna County, Sweden with 1,171 inhabitants in 2010. Vikarbyn is situated by lake Siljan.
In Vikarbyn, there is a school for pupils aged 7–11 years, a grocery store, a restaurant and two furnishing shops.