Trostianets (disambiguation)
Trostianets is a city in Sumy Oblast, Ukraine. Trostianets may also refer to other places in Ukraine:

Railway stations
Trostyanets-Smorodyne railway station, Southern Railways station

Urban settlements
Trostianets, Vinnytsia Oblast

Villages
Trostianets, Saranchuky rural hromada, Ternopil Raion, Ternopil Oblast, a village in Ternopil Oblast
Trostianets, Stryi Raion, Lviv Oblast, a village in Stryi Raion, Lviv Oblast
Trostianets, Odesa Oblast, a village in Rozdilna Raion, Odesa Oblast
Trostianets, Zaliztsi rural hromada, Ternopil Raion, Ternopil Oblast, a village in Ternopil Oblast
Trostianets, Zolochiv Raion, Lviv Oblast, a village in Zolochiv Raion, Lviv Oblast
Trostianets Velykyi, a village in Poltava Raion in Poltava Oblast