Johann IV Roth, Roman Catholic bishop (d. 1506)
Johann Roth (Polish: Jan Roth; 30 November 1426 – 21 January 1506) was Bishop of Lavant from 1468 to 1482 and Prince-Bishop of Wrocław (Breslau) from 1482 until his death. He was known as a brilliant speaker, humanist and supporter of the arts and learning.