John de Surdis (Hungarian: De Surdis János, Italian: Giovanni de Surdis; died 1378) was an Italian-born Hungarian prelate in the 14th century. He served as Bishop of Vác from 1363 to 1375, Bishop of Győr from 1375 to 1376, then Archbishop of Esztergom from 1376 until his death. After acquiring the castle of Lipovec, his family elevated into the Hungarian nobility, and he was also known as John of Lipovec (Hungarian: Lipoveci János) thereafter.