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
See also Blaauw, a surname