Yahballaha III (1245–November 13, 1317), known in earlier years as Rabban Marcos or Markos, was Patriarch of the Church of the East from 1281 to 1317.
Мар Ябалаха III (мирское имя — Маркос; 1245, Кошанг — ноябрь 1317, Мераге) — католикос-патриарх Ассирийской церкви Востока с 1281 по 1317 год.