| Official Name: | Horndal |
| Pushpin Map: | Sweden Dalarna#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: |  Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Avesta Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Dalarna County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Dalarna |
| Area Footnotes: | [1] |
| Area Total Km2: | 3.37 |
| Population As Of: | 31 December 2010 |
| Population Total: | 1,114 |
| Population Density Km2: | 330 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 60.3°N 41°W |
Horndal is a locality situated in Avesta Municipality, Dalarna County, Sweden, with 1,114 inhabitants in 2010.