Petronella de la Court (24 August 1624 - 22 March 1707) was a Dutch art collector.

[1] De la Court married her cousin, the silk merchant Adam Oortmans, on 24-8-1649 in Leiden, and they had 10 children together.

They lived in the Stilsteeg.

[2] In 1657 the couple Oortmans-De la Court bought the brewery "De Zwaan" on the Singel in Amsterdam, located where the Bungehuis is situated today.

[2] She is best known for her dollhouse, currently in the collection of the Centraal Museum, Utrecht.