| Official Name: | Mjømna |
| 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 Municipality |
| Timezone1: | CET |
| Utc Offset1: | +01:00 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 5978 Mjømna |
| Elevation M: | 16 |
| Elevation Footnotes: | [1] |
| Coordinates: | 60.9183°N 4.9042°W |
Mjømna is a village in Gulen Municipality in Vestland county, Norway. The village is located on the western shore of the island of Mjømna. The village the largest settlement on the island. Mjømna Church is located in the village, serving the residents of the southwestern part of the municipality. The village sits roughly halfway between the neighboring villages of Byrknes (to the west) and Ånneland (to the east). All of these villages are connected to each other (and to the mainland) by a series of bridges which connect the main islands in western Gulen.