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.

This article about a Catholic bishop from Austria is a stub.