Juan Borgia (1474 – 1497), also known as Giovanni Borgia, was the second Duke of Gandia, and the first son of Rodrigo Borgia – the Grand Master of the Templar Order – and his long-term mistress Vannozza dei Cattanei. Juan was also the older brother of Cesare, Lucrezia and Jofré Borgia, and the grandfather of Francis Borgia.