| Official Name: | Österfärnebo |
| Pushpin Map: | Sweden Gävleborg#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Sandviken Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Gävleborg County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gästrikland |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.16 |
| Population As Of: | 31 December 2010 |
| Population Total: | 483 |
| Population Density Km2: | 415 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 60.3°N 64°W |
Österfärnebo (in Swedish pronounced as /œstɛrˈfæ̂ːɳɛbʊ/)[2] is a locality situated in Sandviken Municipality, Gävleborg County, Sweden with 483 inhabitants in 2010.
The following sports clubs are located in Österfärnebo: