| Official Name: | Flaten |
| Settlement Type: | Village |
| Pushpin Map: | Agder#Norway |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of the village |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Southern Norway |
| Subdivision Name2: | Agder |
| Subdivision Type3: | District |
| Subdivision Name3: | Østre Agder |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Åmli |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 4868 Selåsvatn |
| Coordinates: | 58.6364°N 8.6813°W |
| Elevation M: | 140 |
| Elevation Footnotes: | [1] |
Flaten is a village in the municipality of Åmli in Agder county, Norway. It is located along the river Nidelva, about southeast of the village of Nelaug. The population (2001) of Flaten was 32.[2] The village has a railway station, Flaten Station, which is part of the Arendalsbanen railway line.