List of princes of Galicia and Volhynia

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This is a list of princes of Galicia (Halych or Halychyna) and its sister principality Volhynia (Volyn' or Volodymyr; Latin: Lodomeria). They were basically separate principalities (rulers being closely related), until Roman Mstislavich "the Great" united Halych and Volhynia in 1199.^[1] He was a prince (knyaz) of Volhynia who conquered also Halych, but immediately gave it to his son.^[which?]

They continued usually as separate states, but within the same dynasty and under vassalage to the knyaz of Halych until Lev,^[which?] who annexed^[when?] Volhynia to the principality. The royal crown lapsed and rulers were known as princes and/or dukes after the death of Andriy Yuriyovych (1323).