Pieter Jans (Zoon) Saenredam, the Younger (Son) (June 9, 1597 – 1665) was a Dutch draftsman and engraver, a representative of the Haarlem academicism.

Pieter Jans Saenredam was born in 1597 to the Dutch draftsman and engraver Jan Pietersz Saenredam the Elder (1565–1607), a native of the city of Saenredam, or Saardam (Dutch: Saenredam, Saardam, Zaandam), hence the surname. Saenredam the Elder was a mannerist artist, the most famous of the students and assistants of the famous Hendrick Goltzius.

After the death of his father in 1612, the boy and his mother moved to Haarlem. There, the future artist began studying with Frans Pietersz de Grebber. Saenredam lived in Haarlem for the rest of his life, apart from a few trips to fulfill orders in other cities in Holland.

In 1614, he became a member of the Guild of St. Luke in Haarlem. A drawing made by his friend Jacob van Campen, kept in the British Museum in London, shows a short, hunched man. He died in Haarlem.

Pieter Jansz Saenredam the Younger specialized in depicting church interiors. At first, he made drawings from life, using precise measurements of the proportions of the building and angular perspectives, and then in the workshop he translated such drawings into painting. The character of Saenredam’s paintings corresponds to the general style of Dutch art of the 17th century, including architecture: spacious, bright space, the predominance of white, gray and black colors, whitewashed walls, carved dark wood furniture, marble floors in a checkerboard pattern. The laconicism of the interiors is consistent with the aesthetics of the Calvinist Reformation in Protestant Holland.

Many artists before Saenredam, including the Romanists, specialized in imaginary and fanciful architecture; Saenredam was one of the first to depict existing buildings as they look on ordinary days and in natural light. He can be considered the founder of this genre in Dutch art.