| Breiðdalshreppur | |
| Settlement Type: | Former municipality |
| Pushpin Map: | Iceland |
| Coordinates: | 64.7933°N -14.0067°W |
| Subdivision Type: | Country |
| Subdivision Name: | Iceland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Eastern Region |
| Subdivision Type2: | Constituency |
| Subdivision Name2: | Northeast Constituency |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Fjarðabyggð |
| Leader Title1: | Manager |
| Leader Name1: | Sif Hauksdóttir |
| Unit Pref: | Metric |
| Area Total Km2: | 452 |
| Population Total: | 187 |
| Population Density Km2: | 0.41 |
| Postal Code Type: | Postal code(s) |
| Postal Code: | 760 |
Breiðdalshreppur (pronounced as /is/) is a former municipality in Iceland. In 2018, it merged with a larger municipality, the neighboring Fjarðabyggð.[1] [2]
Its service centre was Breiðdalsvík. Tourism, fishing, sheep and cow farming were the most prominent industries in the municipality.