Halychian

Halychian may refer to:


 * something or someone related to the city of Halych, in modern Ukraine
 * Halychian Principality, an East Slavic medieval state, centered in Halych
 * Halychian-Volhynian Principality, an East Slavic medieval state, uniting Halych and Volhynia
 * Halychian Wars, series of medieval wars in the region of Halych
 * Halychian Metropolitanate, an Eastern Orthodox Metropolitanate of Halych
 * Ukrainian Catholic Major Archeparchy of Kyiv–Galicia, a diocese of the Ukrainian Byzantine Catholic Church
 * Halychian Land (ziemia), a province of the early modern Kingdom of Poland
 * Halych Raion, former administrative region, centered in the city of Halych
 * Halychian-Volhynian Chronicle, medieval East Slavic chronicle