| Official Name: | Rottneros |
| Pushpin Map: | Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Sunne Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Värmland County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Värmland |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.58 |
| Population As Of: | 31 December 2010 |
| Population Total: | 448 |
| Population Density Km2: | 283 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 59.8°N 20°W |
Rottneros (in Swedish pronounced as /rɔtnɛrˈuːs/)[2] is a locality situated in Sunne Municipality, Värmland County, Sweden with 448 inhabitants as of 2010. Rottneros means "roaring river mouth" in old Swedish. The river Rottnan used to have three waterfalls close to the discharge into lake Fryken. The waterfalls were built in 1927 for hydroelectric power.