Trostianets is a village in Khmelnytskyi Raion, in Khmelnytskyi Oblast, Ukraine. Trostianets lies at 306 m above sea level. The nearest city is Khmelnytskyi, 31 km to the northeast. Among the landmarks around are Holy Intercession Church (24 km), Great Synagogue (28 km) and Saints Peter and Paul church, Yarmolyntsi (16.9 km).

Also written Тростянець.