Troitsa () is the name of several rural localities in Russia.
Modern localities Kaluga Oblast As of 2012, two rural localities in Kaluga Oblast bear this name: Troitsa, Yukhnovsky District, Kaluga Oblast, a village in Yukhnovsky District Troitsa, Zhukovsky District, Kaluga Oblast, a village in Zhukovsky District
Khanty-Mansi Autonomous Okrug As of 2012, one rural locality in Khanty-Mansi Autonomous Okrug bears this name: Troitsa, Khanty-Mansi Autonomous Okrug, a selo in Khanty-Mansiysky District
Kirov Oblast As of 2012, two rural localities in Kirov Oblast bear this name: Troitsa, Belokholunitsky District, Kirov Oblast, a selo in Troitsky Rural Okrug of Belokholunitsky District Troitsa, Podosinovsky District, Kirov Oblast, a selo under the administrative jurisdiction of Podosinovets Urban-Type Settlement in Podosinovsky District
Kostroma Oblast As of 2012, two rural localities in Kostroma Oblast bear this name: Troitsa, Nerekhtsky District, Kostroma Oblast, a selo in Prigorodnoye Settlement of Nerekhtsky District Troitsa, Vokhomsky District, Kostroma Oblast, a selo in Belkovskoye Settlement of Vokhomsky District
Krasnoyarsk Krai As of 2012, one rural locality in Krasnoyarsk Krai bears this name: Troitsa, Krasnoyarsk Krai, a selo in Troitsky Selsoviet of Pirovsky District
Kursk Oblast As of 2012, one rural locality in Kursk Oblast bears this name: Troitsa, Kursk Oblast, a selo in Troitsky Selsoviet of Kursky District
Federal city of Moscow As of 2012, one rural locality in the federal city of Moscow bears this name: Troitsa, Moscow, a village in Voronovskoye Settlement of Troitsky Administrative Okrug
Moscow Oblast As of 2012, three rural localities in Moscow Oblast bear this name: Troitsa, Istrinsky District, Moscow Oblast, a village in Yadrominskoye Rural Settlement of Istrinsky District Troitsa, Mozhaysky District, Moscow Oblast, a village in Borodinskoye Rural Settlement of Mozhaysky District Troitsa, Yegoryevsky District, Moscow Oblast, a village under the administrative jurisdiction of the Town of Yegoryevsk in Yegoryevsky District
Nizhny Novgorod Oblast As of 2012, one rural locality in Nizhny Novgorod Oblast bears this name: Troitsa, Nizhny Novgorod Oblast, a selo in Shapkinsky Selsoviet of Bogorodsky District
Novgorod Oblast As of 2012, one rural locality in Novgorod Oblast bears this name: Troitsa, Novgorod Oblast, a village in Rakomskoye Settlement of Novgorodsky District
Perm Krai As of 2012, one rural locality in Perm Krai bears this name: Troitsa, Perm Krai, a selo in Permsky District
Pskov Oblast As of 2012, two rural localities in Pskov Oblast bear this name: Troitsa, Bezhanitsky District, Pskov Oblast, a village in Bezhanitsky District Troitsa, Velikoluksky District, Pskov Oblast, a village in Velikoluksky District
Ryazan Oblast As of 2012, two rural localities in Ryazan Oblast bear this name: Troitsa, Korablinsky District, Ryazan Oblast, a selo in Troitsky Rural Okrug of Korablinsky District Troitsa, Spassky District, Ryazan Oblast, a selo in Troitsky Rural Okrug of Spassky District
Smolensk Oblast As of 2012, one rural locality in Smolensk Oblast bears this name: Troitsa, Smolensk Oblast, a village in Beleninskoye Rural Settlement of Safonovsky District
Tver Oblast As of 2012, three rural localities in Tver Oblast bear this name: Troitsa, Kalininsky District, Tver Oblast, a village in Mednovskoye Rural Settlement of Kalininsky District Troitsa, Rameshkovsky District, Tver Oblast, a village in Kiverichi Rural Settlement of Rameshkovsky District Troitsa, Udomelsky District, Tver Oblast, a village in Ryadskoye Rural Settlement of Udomelsky District
Vladimir Oblast As of 2012, one rural locality in Vladimir Oblast bears this name: Troitsa, Vladimir Oblast, a village in Kolchuginsky District
Yaroslavl Oblast As of 2012, two rural localities in Yaroslavl Oblast bear this name: Troitsa, Danilovsky District, Yaroslavl Oblast, a village in Fedurinsky Rural Okrug of Danilovsky District Troitsa, Lyubimsky District, Yaroslavl Oblast, a selo in Troitsky Rural Okrug of Lyubimsky District
Renamed localities Troitsa, until 1904, name of Udomlya, a town in Udomelsky District of Tver Oblast