Troitsky (Троицкий, Tróickij, masculine), Troitskaya (Троицкая, Tróickaja, feminine), or Troitskoye (Троицкое, Tróickoje, neuter) is a Russian clerical surname derived from Troitsa (Тро́ица, Tróica) meaning Trinity. It may refer to:
People Aleksei Troitsky (footballer) (1894–1958), Russian and Soviet soccer player Alexey Troitsky (1866–1942), Russian chess problemist Artemy Troitsky (born 1955), Russian music critic, whose name was originally Artem Pavel Ivanovich Troitskiy (ru) (1888-1965), Russian and French variety performer, couplet singer, vocalist, master of ceremonies (MC), stage actor, parody and spoken-word artist Sergey Viktorovich Troitskiy (1878–1972), Russian-born Serbian theologian; great-grandfather of Viktor Viktor Troicki (born 1986), Serbian tennis player; great-grandson of Sergey
Places Troitsky Okrug (disambiguation), name of several divisions in Russia Troitsky District, name of several districts in Russia Troitsky, Russia (Troitskaya, Troitskoye), name of several rural localities in Russia Troitsky dugout, archaeological site in Veliky Novgorod , a village in the Almaty Province, Kazakhstan
Other Troitskaya tower, one of the Kremlin towers
See also Troitsk Troitske Troitsko-Pechorsk Novotroitsky