Svanevatn (Norwegian for "Swan Lake"; Finnish: Salmijärvi, "Strait Lake") is a lake on the border between Norway and Russia. The Norwegian branch is situated in Sør-Varanger municipality in Finnmark county.
Svanevatn has an area of 32.51 km², a circumference of 66.21 km and a height of 21 metres.
Coordinates: 69°25′49″N 30°02′30″E / 69.4303°N 30.0417°E