Troitsk
Troitsk may refer to:
- Troitsk, Chelyabinsk Oblast, a town in Chelyabinsk Oblast, Russia
- Troitsk, Moscow, formerly a town in Moscow Oblast, Russia, which was included into the city of Moscow on July 1, 2012
- Troitsk, Republic of Mordovia, a village (selo) in the Republic of Mordovia, Russia
- Troitsk, Olyokminsky District, Sakha Republic, a selo in Troitsky Rural Okrug of Olyokminsky District of the Sakha Republic
- Troitsk, Ust-Maysky District, Sakha Republic, a selo in Troitsky Rural Okrug of Ust-Maysky District of the Sakha Republic
- Troitsk, name of several other rural localities in Russia
See also: Troitsky