Nävsjön is a lake in Sweden. It straddles the boundary between Norrköping Municipality in Östergötland County and Nyköping Municipality in Södermanland County.

Nävsjön
View of lake
Nävsjön from a viewpoint in Nyköping municipality
Location of lake
Location of lake
Nävsjön
Coordinates58°39′27″N 16°42′43″E / 58.65750°N 16.71194°E / 58.65750; 16.71194
Basin countriesSweden