Troitsk
- Abansky District
- Altai Krai
- Bauntovsky District
- Blagovarsky District
- Bolsheuluysky District
- Chelyabinsk Oblast
- Chernushinsky District
- Chistoozyorny District
- Chuvash Republic
- Ilansky District
- Irkutsk Oblast
- Izhmorsky District
- Kalmansky District
- Kemerovo Oblast
- Kochenyovsky District
- Kochkovsky District
- Komi Republic
- Kortkerossky District
- Kovylkinsky District
- Krasnoyarsk Krai
- Krutinsky District
- Kulundinsky District
- Kungursky District
- Kurgan Oblast
- Moscow
- Novosibirsk Oblast
- Olyokminsky District
- Omsk Oblast
- Orenburg Oblast
- Perm Krai
- Petukhovsky District
- Pribaykalsky District
- Republic of Bashkortostan
- Republic of Buryatia
- Republic of Mordovia
- Rubtsovsky District
- Russia
- Sakha Republic
- Sol-Iletsky District
- Taseyevsky District
- Tayshetsky District
- Troinka
- Troitsk, Chelyabinsk Oblast
- Troitsk, Chernushinsky District, Perm Krai
- Troitsk, Kalmansky District, Altai Krai
- Troitsk, Kulundinsky District, Altai Krai
- Troitsk, Moscow
- Troitsk, Olyokminsky District, Sakha Republic
- Troitsk, Republic of Bashkortostan
- Troitsk, Ust-Maysky District, Sakha Republic
- Troitsk, Yeltsovsky District, Altai Krai
- Troitskoye, Republic of Buryatia
- Troitsky (disambiguation)
- Troitsky Administrative Okrug
- Troitsky, Republic of Buryatia
- Tyukalinsky District
- Usolsky District, Perm Krai
- Ust-Maysky District
- Vurnarsky District
- Yeltsovsky District
- Zalarinsky District