Jacob Isaacszoon van Swanenburg (Dutch pronunciation: ['ja?k?p f?n 's?a?n?(m)b?rx]; 1571, Leiden – 1638, Utrecht) was a Dutch painter, draftsman and art dealer.
He was known for his city views, history paintings, Christian religious scenes and portraits.
He spent a substantial part of his early career in Italy before returning to his native Leiden.