Kostilnyky () is a Ukrainian village in the Zolotyi Potik settlement hromada, in the Chortkiv Raion of the Ternopil Oblast. It is located on the Dniester River.

In accordance with the Cabinet of Ministers of Ukraine, the village became part of the Zolotyi Potik settlement hromada in 2020.Order of the Cabinet of Ministers of Ukraine dated June 12, 2020 No. 724-p "On the definition of administrative centers and the approval of the territories of territorial communities of the Ternopil region"

It is located 25 km from the nearest railway station in Buchach. It had a population of 1,037 as of 2003.

History Archeological sites from the Paleolithic era were discovered near the village.

The town was first mentioned in the 16th century.

Rittmeister , along with his brothers and stepfather owned the village of Kostilniki in the Ruthenian Voivodeship of Galicia, along with Sokoliv and .Plewczyński M. Potocki Andrzej h. Pilawa (zm. 1575) // Polski Słownik Biograficzny. — Wrocław — Warszawa — Kraków — Gdańsk — Łódź : Zakład Narodowy Imienia Ossolińskich, Wydawnictwo Polskiej Akademii Nauk, 1983. — T. XXVII/4. — Zeszyt 115. — S. 768—769

Josyf Gavrilo Sheptytsky (1806–1855), member of the Sejm of the Estates, son of Jan Baptist Sheptutsky (1770–1831), ,Stępień S. Szeptycki Józef Gabriel (1806—1855) // Polski Słownik Biograficzny. — Warszawa — Kraków : Polska Akademia Nauk, 2012. — T. XLVIII/2, zeszyt 197. — S. 238. — całość, Stryjko Count ,Nowak M. i Stępień S. Szeptycki Jan Kanty Remigiusz (1836—1912) // Polski Słownik Biograficzny. — Warszawa — Kraków : Polska Akademia Nauk, 2012. — T. XLVIII/2, zeszyt 197. — S. 236. — całość, . and Josyf's brother Peter Pavel Leopold (1808–1843) inherited in equal parts the estate in the villages of Kostilniki, Prylbychi, Tulkovichi, and .

The Prosvita cooperative operated in the village.

References