| Official Name: | Kvillsfors |
| Pushpin Map: | Sweden Jönköping#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Hultsfred Municipality and Vetlanda Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Kalmar County and Jönköping County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Småland |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.95 |
| Population As Of: | 31 December 2010 |
| Population Total: | 500 |
| Population Density Km2: | 528 |
| Elevation Footnotes: | [2] |
| Elevation M: | 120 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 57.4167°N 44°W |
| Blank Name: | Climate |
| Blank Info: | Cfb |
Kvillsfors is a bimunicipal locality situated in Vetlanda Municipality, Jönköping County and Hultsfred Municipality, Kalmar County in Sweden with 500 inhabitants in 2010.