Prince Adam Karol Czartoryski is a Polish and Spanish aristocrat who is head of the Polish House of Czartoryski. He is related to both the Spanish royal family and to France's House of Orléans. In 2016, he sold the family art collection held in the Czartoryski Museum to the Polish state for approximately €100 million.

The Princes Czartoryski Museum – often abbreviated to Czartoryski Museum – is a historic museum in Kraków, Poland, and one of the country's oldest museums. The initial collection was formed in 1796 in Puławy by Princess Izabela Czartoryska. The Museum officially opened in 1878. It is now a division of the National Museum in Kraków.