The National Portrait Gallery (Swedish: Statens porträttsamling) is a museum and portrait gallery located at Gripsholm Castle at Mariefred in Södermanland County, Sweden.
[1] The collection was first established by King Gustaf Vasa who had portraits hung in the newly built Gripsholm Castle.
The National Portrait Gallery acquired the status of a national portrait gallery during the reign of King Gustav III.
The collection also began to be expanded with non-royal persons.
Each year the Gripsholm Society commissions and donates a portrait of an internationally prominent Swedish citizens to the collection.