Jan of Předbořice was a 14th-century Bohemian priest and abbot. He came from the village of . In 1391, he was mentioned as belonging to the monastery at Nezamyslice as a sacristan. As a prior, he was sent to bring tithes to Rome in 1395 and 1396. Jan is possibly related to the minor nobleman Hroch of Předbořice, as a similar coat of arms to the one Hroch bore is monumented in the monastery at Nezamyslice.