Blaeu

Blaeu is the name of

• Willem Janszoon Blaeu or Willem Blaeu, Dutch cartographer not to be confused with Willem Janszoon, a contemporary Dutch explorer
• his sons Joan Blaeu and Cornelius Blaeu, cartographers
• Atlas Blaeu or Atlas Maior, their work
• Stedenboek Blaeu or Toonneel der Steeden, another work of Joan Blaeu