- Capponi, Ludovico, 1533-16141
- Capponi, Matteo1
- Casini, Vergilio1
- Catholic Church1
- Certano, Daina di1
- Chronologies1
- Church property1
- Civil procedure1
- Clothing and dress1
- Codaro, Abramo1
- Commercial law1
- Concini family1
- Concini, Alessandra Antinori1
- Concini, Arrigo1
- Concini, Giovanbattista1
- Cosimo II, Grand Duke of Tuscany, 1590-16211
- Cosimo III, Grand-Duke of Tuscany, 1642-17231
- Costapellegrina, Giovan Andrea1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Detti, Giovanni Baptista1