Franziskus von Sales Bauer (26 January 1841 – 25 November 1915) was an Austro-Hungarian Cardinal of the Roman Catholic Church.

Born in Hrachovec (now part of Valašské Meziříčí) in Moravia, Franziskus Bauer received the Sacrament of Confirmation in 1852, and studied at the seminary at the Faculty of Theology in Olomouc.

Following his elevation to the subdiaconate (20 December 1862) and the diaconate (28 February 1863), Bauer was ordained to the priesthood on 19 July 1863, for the Archdiocese of Olomouc.

He then served as a cooperator, and later second chaplain in the parish of Vyškov, for the archdiocese until February 1865, whence he began teaching at the Theological Faculty of Olomouc.

Pope Pius X created him Cardinal Priest of S. Girolamo degli Schiavoni in the consistory of 27 November 1911.