| En Name: | Troitsk |
| Ru Name: | Троицк |
| Coordinates: | 60.3333°N 162°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Ust-Maysky District |
| Adm Selsoviet Jur: | Petropavlovsky National Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Ust-Maysky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Petropavlovsky National Rural Settlement |
| Pop Latest: | 108 |
| Pop Latest Date: | 2002 |
| Postal Codes: | 678726 |
Troitsk (ru|Троицк) is a rural locality (a selo), and one of two settlements in Petropavlovsky National Rural Okrug of Ust-Maysky District in the Sakha Republic, Russia, in addition to Petropavlovsk, the administrative center of the Rural Okrug. It is located 11km (07miles) from Ust-Maya, the administrative center of the district and 3km (02miles) from Petropavlovsk. Its population as of the 2002 Census was 74.[2]