| Vesturbyggð | |
| Settlement Type: | Municipality |
| Mapsize: | 250px |
| Pushpin Map: | Iceland |
| Coordinates: | 65.598°N -24.002°W |
| Subdivision Type: | Country |
| Subdivision Name: | Iceland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Westfjords |
| Subdivision Type2: | Constituency |
| Subdivision Name2: | Northwest Constituency |
| Leader Title: | Mayor |
| Leader Name: | Gerður Björk Sveinsdóttir[1] |
| Unit Pref: | Metric |
| Area Total Km2: | 1,511 |
| Population As Of: | 1 August 2024 |
| Population Total: | 1,447 |
| Population Density Km2: | 0.9 |
| Postal Code Type: | Postal code(s) |
| Postal Code: | 450, 451, 460, 465 |
| Code1 Name: | Municipal number |
| Code1 Info: | 4607 |
Vesturbyggð (pronounced as /is/) is a municipality located in the Westfjords in Iceland. In Vesturbyggð, there are Patreksfjörður with 721 inhabitants, Tálknafjörður with 261 inhabitants, Bíldudalur with 238 inhabitants and Krossholt with 19 inhabitants. The municipality is served by Patreksfjörður Airport and Bíldudalur Airport.
On 28 October 2023, residents voted to unify with Tálknafjarðarhreppur.[2]
On 19 May 2024, Tálknafjörður municipality disbanded and the town joined the Vesturbyggð municipality.[3]
See also: List of twin towns and sister cities in Iceland.
Vesturbyggð terminated all its twinnings in 2018.[4]
Previously it was twinned with: