| Official Name: | Byrknes |
| Settlement Type: | Village |
| Pushpin Map: | Vestland#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the village |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Type1: | Region |
| Subdivision Name1: | Western Norway |
| Subdivision Type2: | County |
| Subdivision Name2: | Vestland |
| Subdivision Type3: | District |
| Subdivision Name3: | Sogn |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Gulen |
| Area Total Km2: | 0.47 |
| Population As Of: | 2019 |
| Population Total: | 294 |
| Population Density Km2: | 626 |
| Timezone1: | CET |
| Utc Offset1: | +01:00 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 5970 Byrknesøy |
| Elevation Footnotes: | [1] |
| Elevation M: | 9 |
| Coordinates: | 60.9003°N 4.8386°W |
Byrknes is a fishing village in Gulen Municipality in Vestland county, Norway. It is located on the western shore of the island of Byrknesøyna. It is about southwest of the municipal center of Eivindvik, about west of the village of Dalsøyra, and about northwest of the Mongstad industrial area in neighboring Lindås and Austrheim municipalities to the south. The Sognesjøen strait is located to the northwest of the village.
The 0.47km2 village has a population (2019) of 294 and a population density of .[2]
There is a coastal museum, Kystmuseum, located in Byrknes. The nearest church is Mjømna Church, located about to the northeast in the village of Mjømna on the neighboring island of Mjømna.[3] It is connected to the mainland by a series of bridges over the island and neighboring islands to the east.