Von Firmian

von Firmian may refer to:


 * Karl Joseph von Firmian (1716–1782), Austrian noble, Plenipotentiary of Lombardy to the Austrio-Hungarian Empire
 * Leopold Anton von Firmian (1679–1744), Bishop of Lavant, Bishop of Seckau and Prince-Archbishop of Salzburg
 * Leopold Ernst von Firmian (1708–1783), Austrian bishop and cardinal
 * Leopold Maximilian von Firmian (1766–1831), Bishop of Lavant, Archbishop of Salzburg