Alessandro d'Este (1568âÂÂ1624) was a Roman Catholic cardinal.
On 3 Apr 1622, he was consecrated Bishop of Reggio Emilia by Marco Antonio Gozzadini, Bishop of Recanati with Raffaele Inviziati, Bishop Emeritus of Cefalonia e Zante, and Giulio Sansedoni, Bishop Emeritus of Grosseto, serving as co-consecrators.