Otto van Veen, (also known as Otto Venius or Octavius Vaenius, 1556 – 1629) was a Dutch painter and humanist.

He was pupil of Isaac Swanenburgh in Leiden, of Domenicus Lampsonius and Jean Ramey in Liège and he is considered to be the most impressive artist and scholar of his day.

He is also known for producing several emblem books, and for being the teacher of Peter Paul Rubens.

After becoming a master in the Guild of St. Luke in 1593, van Veen took numerous commissions for church decorations and he worked for Archduke of Austria.

His daughter Gertruid was also a painter.

Source The Rubens House, museum.