Poretsky (masculine), Poretskaya (feminine), or Poretskoye (neuter) may refer to:
Places Poretsky District, a district of the Chuvash Republic, Russia Poretsky (rural locality) (Poretskaya, Poretskoye), several rural localities in Russia
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