Poretsky (masculine), Poretskaya (feminine), or Poretskoye (neuter) may refer to:

Places
People
  • Ignace Poretsky, one of the nicknames of Ignace Reiss (1899–1937), Soviet spy
  • Leonid Poretsky (b. 1954), American endocrinologist
  • Platon Poretsky (1846–1907), Russian astronomer, mathematician, and logician