List of Cardinal Deacons of Santi Cosma e Damiano
The following cardinals were cardinal deacons of Santi Cosma e Damiano :
- Girolamo Simoncelli (1554–1588)
- Federico Borromeo (January – March 1589)
- Guido Pepoli (1590–1592)
- Flaminio Piatti (1592–1593)
- Vacanz 1593-1623
- Agustín Spínola Basadone (1623–1631)
- Alessandro Cesarini Sforza (1632–1637)
- Benedetto Odescalchi (1645-1659), sl. Pope Innocent XI. (p. 1676)
- Odoardo Vecchiarelli (1660–1667)
- Leopoldo de 'Medici (1668–1670)
- Nicolò Acciaioli (1670–1689)
- Fulvio Astalli (1689-1710)
- Bartolomeo Ruspoli (1730–1741)
- Mario Bolognetti (1743–?)
- Carlo Vittorio Amedeo delle Lanze (1747–1747)
- Luigi Maria Torreggiani (1753–1754)
- Girolamo Colonna di Sciarra (1756-1760)
- Cornelio Caprara (1762-1765)
- Benedetto Veterani (1766–1776)
- Antonio Maria Doria Pamphilj (1785–1789)
- Ludovico Flangini Giovanelli (1789–1794)
- Giovanni Caccia-Piatti (1816–1833)
- Pietro De Silvestri (1858–1861)
- Tommaso Maria Zigliara OP (1879-1891)
- Raffaele Pierotti OP (1896–1905)
- Ottavio Cagiano de Azevedo (1905–1915)
- Andreas Franz Frühwirth OP (1915–1927)
- Vincenzo Lapuma (1935-1943)
- Crisanto Luque Sánchez (1953-1959)
- Francesco Morano (1959–1968)
- Johannes Gerardus Maria Willebrands (1969–1975)
- Eduardo Francisco Pironio (1976-1995)
- Giovanni Cheli (1998-2013)
- Beniamino Stella (2014-2020)