Carbonite may refer to:

  • Carbonite (explosive), one of the earliest and most successful coal-mining explosives
  • Carbonite (ion), the inorganic anion that forms the conjugate base of dihydroxymethylidene with the chemical formula [CO<sub>2</sub>]<sup>2−</sup>
  • Carbonite (online backup), an online backup service
  • Carbonite (Star Wars), a fictional substance, most notably used to imprison Han Solo in the film The Empire Strikes Back
  • Carbonite-2, an imagery technology demonstrator satellite