Self-portrait with Sir Endymion Porter is a self-portrait by Anthony van Dyck, showing him with his patron Sir Endymion Porter.
[1] It is van Dyck's only self-portrait to include another figure, showing Porter's importance in his life.
The pair had first met in 1620, during van Dyck's first stay in London.
He also knew Peter Paul Rubens and Orazio Gentileschi.
Van Dyck presented the double portrait to Porter himself - it was later acquired by Isabella Farnese, who owned it by 1745, and passed from her collection to the Prado.