Recombination may refer to:

  • Genetic recombination, the process by which genetic material is broken and joined to other genetic material
  • Recombination (physics), in semiconductors, the elimination of mobile charge carriers (electrons and holes)
  • Crossover (genetic algorithm), also called recombination
  • Plasma recombination, the formation of neutral atoms from the capture of free electrons by the cations in a plasma
  • Recombination (cosmology), the time at which protons and electrons formed neutral hydrogen in the timeline of the Big Bang
  • Recombination (chemistry), the opposite of dissociation