Pidhaitsi Raion (Ukrainian: Підгаєцький район) is a district in the western part of Ternopil Oblast, western Ukraine. It is part of the historic area known as Halychyna (Galicia). The administrative center is the city of Pidhaitsi. The Koropets river flows through the district. This raion was formed as a separate district on December 6, 1991 by a decree of the Ukrainian parliament.