Gnesta () is a bimunicipal locality and the seat of Gnesta Municipality, Södermanland County, Sweden. The population was 6,376 as of 2020.

Gnesta is in Södermanland, on the border with Stockholm County. The Stockholm commuter rail has a terminus in Gnesta.

The 2009 film adaptation of Stieg Larsson's book The Girl with the Dragon Tattoo was shot in Gnesta, which represented the fictional Hedestad and Hedeby Island.

References

it:Gnesta (comune)