Antoon, Antonius or Anthuenis Claeissens, Claessens, or Claeissins (c.1536 – 18 January 1613) was a Flemish painter. His subjects were historical and allegorical scenes and portraits.[1] He was a member of the Claeissens family of painters which played an important role in the art world in Bruges in the 16th century.[2]