| Official Name: | Järna |
| Pushpin Map: | Sweden Dalarna#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Vansbro Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Dalarna County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Dalarna |
| Area Footnotes: | [1] |
| Area Total Km2: | 3.18 |
| Population As Of: | 31 December 2010 |
| Population Total: | 1,413 |
| Population Density Km2: | 444 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 60.55°N 35°W |
Järna (also Dala-Järna to distinguish it from Järna in Södertälje Municipality) is a locality situated in Vansbro Municipality, Dalarna County, Sweden with 1,413 inhabitants in 2010.
The last traditional player of the Swedish bagpipes, Gudmunds Nils Larsson (died 1949), was from Järna.[2]
The following sports clubs are located in Dala Järna: