Danilo IV (Serbian Cyrillic: Данило IV) was the Serbian Patriarch, primate of the Serbian Orthodox Church, in the period of 1406–1407.^[1] After Patriarch Sava V's death, Danilo was chosen as the successor. Very little is known of him, his appointment coming in a time of conflict between the Lazarević and Branković families. After a year, he was succeeded by Kirilo I.

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