Archduchess Renate of Austria (2 January 1888 – 9 December 1935) was a daughter of Archduke Charles Stephen of Austria and a first cousin of King Alphonso XIII of Spain.
A member of the Teschen branch of the House of Habsburg-Lorraine and an Archduchess of Austria and Princess of Bohemia, Hungary, and Tuscany by birth, she renounced her titles in 1909 upon her marriage to Prince Jerome Radziwill.