| Plosna | |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Coordinates: | 45.3471°N 14.5442°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | County |
| Subdivision Name1: | Primorje-Gorski Kotar |
| Subdivision Type2: | Town |
| Subdivision Name2: | Bakar |
| Area Footnotes: | [1] |
| Area Total Km2: | 13.6 |
| Population As Of: | 2021 |
| Population Total: | 46 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 51223 |
| Area Code: | 051 |
| Registration Plate: | RI |
Plosna is a village in Primorje-Gorski Kotar, western Croatia. Administratively a part of the town of Bakar, it is located just to the north of Ponikve and 3 km to the north of Škrljevo. As of 2021, it had a population of 46.