Name
- Medici, Ugolino de'1
- Medici, Vincenzo de', Florentine agent in Naples1
- Meini, Lorenzo1
- Mello, Francisco, Conde de Asumar1
- Mengozzi, Francesco Antonio, priest1
- Meoli, Giovanni, lawyer1
- Mexia Felipez de Guzman, Diego, Marqués de Leganes; Duque de San Lucar1
- Millini, Giovanni Garzia, Cardinal1
- Mini, Niccolò1
- Minucci, Giovanni, Secretary of Prince Mattias de' Medici1
- Montauti, Montauto, Marchese1
- Monte, Francesco del, Captain-General of the Infantry in Tuscany1
- Montemagni, Desiderio, Secretary of Card. Giovanni Carlo de' Medici1
- Morelli, Giovanni, surety for P Boscoli1
- Morigia, Jacopo Antonio, Cardinal; Archbishop of Florence1
- Mormorai, Pietro Francesco1
- Mosca, Giulio del, Presidente dell' Ufficio dei Fossi in Tuscany1
- Nay, Emmanuel, Comte de Richecourt, Minister of State in Tuscany1
- Negrone, Tobia1
- Neroni, Francesco di Carlo, Commissary-General of the Tuscan Infantry1