Bernardo Bandini Baroncelli (15 January 1420 – 29 December 1479) was a Florentine merchant and a protagonist in the Pazzi conspiracy, a plot to remove the Medici family from power in Florence.

[1] After the failure of the plot, Baroncelli fled Italy, but was eventually found and arrested in Constantinople.

[4] Antonio Medici was sent to bring him from Constantinople back to Florence, where Baroncelli was ultimately hanged on 29 December 1479 at the Palazzo del Bargello.

[5] Baroncelli's execution was depicted in a macabre sketch drawn by Leonardo da Vinci while he was in Florence in 1479.

[6] With dispassionate integrity, Leonardo had registered the colours of the robes that Baroncelli was wearing at the time of his death in neat mirror writing.