title: Thumbprint (disambiguation)
text: A thumbprint is a form of fingerprint.
  
  Thumbprint may also refer to:
  
   Carbon thumbprint, the carbon dioxide equivalent impact of an individual product or service
   Thumbprint sign, a term in radiology
   Thumbprint, a term for public key fingerprint used in Microsoft software
   Thumbprint, a 2004 novel by Friedrich Glauser
   "Thumbprint", a 2007 short story and 2013 comic by Joe Hill
   Thumbprint cookie, in which a well is made with the thumb and filled with jam or filling
   Regmaglypt, the characteristic thumbprint-shaped  depressions on a meteorite caused by ablation