There are 55 listed buildings (Swedish: ''byggnadsminne'') in Södermanland County.

Nyköping Municipality Nyköping Municipality ( sv, Nyköpings kommun) is a municipality in Södermanland County in southeast Sweden. Its seat is located in the city of Nyköping, which is containing a majority of the residents. Its southern tip in the district of Tuna ...

Oxelösund Municipality Oxelösund Municipality (''Oxelösunds kommun'') is a municipality in Södermanland County in southeast Sweden. Its seat is located in the city of Oxelösund. In 1950 the ''Nikolai Rural municipality'' was dissolved. One part formed the then ''C ...

*
Bebyggelseregistret
{{DEFAULTSORT:Listed buildings in Sodermanland County Listed buildings in Sweden