Cosimo de 'Medici (disambiguation)
Cosimo de 'Medici is the name of the following people:
- Cosimo de 'Medici (called il Vecchio ; 1389–1464), Florentine banker
- Cosimo I de 'Medici (1519–1574), Grand Duke of Tuscany
- Cosimo II. De 'Medici (1590–1621), Grand Duke of Tuscany
- Cosimo III. de 'Medici (1642–1723), Grand Duke of Tuscany
