Eleanor de' Medici, Italian noble (b. 1567)
Eleanor de' Medici (28 February 1567 – 9 September 1611) was a Duchess of Mantua by marriage to Vincenzo I Gonzaga. She served as regent of Mantua 1595, 1597 and 1601, when Vincenzo served in the Austrian campaign in Hungary, and in 1602, when he left for Flanders for medical treatment. She was a daughter of Francesco I de' Medici and Joanna of Austria and the sister of Marie de' Medici the Queen regent of France.