Kozachchyna (Ukrainian: Козаччина, Polish: Kozaczyzna), a village in Ukraine, is located within Chortkiv Raion of Ternopil Oblast. It belongs to Borshchiv urban hromada, one of the hromadas of Ukraine.

• (in Ukrainian) Ternopil Encyclopedic Dictionary: in 4 v. / editorial board: H. Yavorskyi and other, Ternopil: "Zbruch", 2004–2010. — ISBN 966-528-197-6.