Blaeu

Blaeu is the name of


 * Willem Blaeu (1571–1638), Dutch cartographer and father of Joan Blaeu
 * Joan Blaeu (1596–1673), Dutch cartographer and son of Willem Blaeu
 * Blaeu Atlas of Scotland, by Joan Blaeu, published in 1654
 * Atlas Blaeu or Atlas Maior, by Joan Blaeu, published in 1635
 * Stedenboek Blaeu or Toonneel der Steeden, by Joan Blaeu, published in 1649