Name
- Concini, Giambatista1
- Contestabile, Pietro1
- Cornachini, Tomaso1
- Corrado, Sebastiano1
- Covarruvias, Diego1
- Cusini, Giov. Battista1
- Dandini, Anastasio Uberto, Bishop of Imola, fl 1552-15581
- Danti, Ignazio, mathematician and Bishop of Alatri, 1536-15861
- Davanzati, Bernardo, economist and scholar, 1529-16061
- Davanzati, Francesco, merchant, fl 15471
- Dei, Lionardo, correspondent of Pietro Vettori, fl 16th century1
- Dei, Pierino, correspondent of Pietro Vettori, fl 16th century1
- Dei, Rinier1
- Diodati, Michele, correspondent of Pietro Vettori, fl 16th century1
- Donati, Federigo, writer, fl 16th century1
- Dovitij, Marc Antonio, correspondent of Pietro Vettori, fl 16th century1
- Dragomanni, Gerardo, correspondent of Pietro Vettori, fl 16th century1
- Elio, Antonio, Bishop of Pola1
- Enagni, Giuseppe, correspondent of Pietro Vettori, fl 16th century1
- Fabri, Ludovico, correspondent of Pietro Vettori, 16th century1