6D, 6d, or 6-D may refer to:

  • Canon EOS 6D, a digital SLR camera
  • Jamaica 6d abolition of slavery postage stamp, a 1921 stamp issue
  • Six-dimensional space, any space that has six dimensions
  • 6D skull, a cyberknife tracking method


"We long to be here for a purpose, even though, despite much self-deception, none is evident."
Carl Sagan
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