Zwi Perez Chajes, also Tzvi-Peretz Hayyut, (13 October 1876 – 13 December 1927) was a rabbi, historian, biblical scholar and a notable Zionist leader.

Zwi Perez Chajes was born in 1876 in Brody, then part of Austria-Hungary, now in Ukraine.

Hayot learned in a Yeshiva and was ordained as a rabbi and also studied at a university.

From 1918 to his death, Chajes served as the chief rabbi of the Jewish community of Vienna.

In addition, he was Chairman of the Zionist General Council from 1921 to 1925[1] The main Jewish school in Vienna is named after him.