Franz Maria Doppelbauer (21 January 1845 – 2 December 1908) was the Catholic bishop of Linz from 1889 to 1908.

Doppelbauer established a newspaper and found a seminary, the Petrinum, in Urfahr.

Doppelbauer also founded a boy's seminary, the Petrinum, in Urfahr for training future clergy. Moreover, he was responsible for completion of the Linz cathedral in May 1905.^{[citation needed]}

• Herbermann, Charles, ed. (1913). "Linz" . Catholic Encyclopedia. New York: Robert Appleton Company.