Adam Willaerts (21 July 1577 – 4 April 1664) was a Dutch Golden Age painter.
Willaerts (occasionally Willarts, Willers) was born in London to Flemish parents who had fled from Antwerp for religious reasons.
He was known as a painter of river and canal pieces, coastal landscapes, fish-markets, processions, and genre scenes.
His best known work is a contemporary depiction of the Pilgrims leaving Delftshaven aboard the Speedwell.
His Allegory of the victory of the Dutch on the Spanish fleet in Gibraltar is in the Rijksmuseum.