| Plavno | |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Map Caption: | Location of Plavno in Croatia |
| Coordinates: | 44.1503°N 16.1803°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Adriatic Croatia |
| Subdivision Type2: | County |
| Subdivision Name2: | Šibenik-Knin County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Knin |
| Area Footnotes: | [1] |
| Area Total Km2: | 64.5 |
| Population As Of: | 2021 |
| Population Total: | 121 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 22317 Plavno |
| Area Code: | + 385 (0)22 |
Plavno is a village in Croatia, in the municipality of Knin, Šibenik-Knin County.
According to the 2011 census, the village of Plavno has 253 inhabitants. This represents 14.71% of its pre-war population according to the 1991 census.
The 1991 census[2] recorded that 99.30% of the village population were ethnic Serbs (1708/1720), 0.18% were Yugoslavs (3/1720) and 0.52% were of other ethnic origin (9/1720).