Martynivka () is a village in Trybukhivtsi rural hromada, Chortkiv Raion, Ternopil Oblast, Ukraine.
In the second half of the 19th century it was founded as a Polish settlement Wojciechówka (Wojtechówka). From March 1946 it has the present name.
After the liquidation of the Buchach Raion on 19 July 2020, the village became part of the Chortkiv Raion.