Innocenzo Ciocchi del Monte, adopted nephew of the Pope– cardinal-deacon of S. Onofrio (received the title on 1 September 1550), then cardinal-deacon of S. Callisto (4 May 1562), cardinal-deacon of S. Maria in Portico (17 November 1564), cardinal-deacon of S. Maria in Via Lata (3 December 1568), † 3 November 1577
George Martinuzzi, O.S.P.P.E., bishop of Nagy Várad– cardinal-priest without the title, † 17 December 1550
20 November 1551
Giovanni Ricci (1498–1574), made a cardinal on November 20, 1551.Giovanni Poggio (1493–1556), made a cardinal on November 20, 1551.
Cristoforo Guidalotti Ciocchi del Monte, relative of the Pope, bishop of Marseille– cardinal-priest of S. Prassede (received the title on 4 December 1551), † 27 October 1564
Fulvio Giulio della Corgna, O.S.Io.Hieros., bishop of Perugia– cardinal-priest of S. Maria in Via (received the title on 4 December 1551), then cardinal-priest of S. Bartolomeo (29 May 1555), cardinal-priest of S. Stefano al Monte Celio (20 September 1557), cardinal-priest of S. Agata alla Suburra (18 May 1562), cardinal-priest of S. Angelo in Pescheria (7 February 1565), cardinal-priest of S. Lorenzo in Lucina (30 January 1566), cardinal-priest of S. Adriano (3 March 1567), cardinal-bishop of Albano (5 May 1574), cardinal-bishop of Porto e S. Rufina (5 December 1580), † 4 March 1583
Giovanni Michele Saraceni, archbishop of Matera– cardinal-priest of S. Maria in Aracoeli (received the title on 4 December 1551), then cardinal-priest of S. Anastasia (24 March 1557), cardinal-priest of S. Agata in Suburra (7 February 1565), cardinal-priest of S. Maria in Trastevere (7 November 1565), cardinal-bishop of Sabina (7 October 1566), † 27 April 1568
Giovanni Ricci, bishop of Chiusi– cardinal-priest of S. Vitale (received the title on 4 December 1551), then cardinal-priest of S. Angelo in Pescheria (30 January 1566), cardinal-priest of S. Maria in Trastevere (7 October 1566), cardinal-bishop of Albano (3 July 1570), cardinal-bishop of Sabina (8 April 1573), † 3 May 1574
Giovanni Andrea Mercurio, archbishop of Messina– cardinal-priest of S. Barbara (received the title on 4 December 1551), then cardinal-priest of S. Ciriaco (18 August 1553), cardinal-priest of S. Marcello (19 January 1560) † 2 February 1561
Giacomo Puteo, archbishop of Bari– cardinal-priest of S. Simeone (received the title on 4 December 1551), then cardinal-priest of S. Maria in Via (29 May 1555), † 26 April 1563
Alessandro Campeggio, bishop of Bologna– cardinal-priest of S. Lucia in Silice (received the title on 4 December 1551), † 21 September 1554
Pietro Bertani, O.P., bishop of Fano– cardinal-priest of SS. Marcellino e Pietro (received the title on 4 December 1551), † 8 March 1558
Fabio Mignanelli, bishop of Grosseto– cardinal-priest of S. Silvestro in Capite (received the title on 4 December 1551), then cardinal-priest of SS. Giovanni e Paolo (12 June 1556), † 10 August 1557
Giovanni Poggio, bishop of Tropea – cardinal-priest of S. Anastasia (received the title on 23 March 1552), † 12 February 1556
Giovanni Battista Cicala, bishop of Albenga– cardinal-priest of S. Clemente (received the title on 4 December 1551), then cardinal-priest of S. Agata in Suburra (7 November 1565), cardinal-bishop of Sabina (30 April 1568), † 7 April 1570
Girolamo Dandini, bishop of Imoli– cardinal-priest of S. Matteo in Merulana (received the title on 4 December 1551), then cardinal-priest of S. Marcello (25 October 1555), † 4 December 1559
Luigi Cornaro, O.S.Io.Hieros.– cardinal-deacon of S. Teodoro (received the title on 4 December 1551), then cardinal-priest of S. Teodoro (26 February 1561), cardinal-priest of S. Marco (21 June 1564), cardinal-priest of S. Vitale (2 June 1568), cardinal-priest of S. Clemente (9 February 1569), cardinal-priest of S. Marco (9 June 1570), † 10 May 1584
Sebastiano Antonio Pighini, archbishop of Manfredonia (created in pectore, published on 30 May 1552)– cardinal-priest of S. Callisto (received the title on 27 June 1552) † 23 November 1553
Pietro Tagliavia d'Aragonia, archbishop of Palermo– cardinal-priest of S. Callisto (received the title on 17 July 1555). † 5 August 1558
Louis I de Guise, bishop of Alby– cardinal-deacon of S. Tommaso in Parione (received the title on 17 July 1555), then cardinal-priest of S. Tommaso in Parione (24 March 1568), † 28 March 1578
Roberto de' Nobili, relative of the Pope– cardinal-deacon of S. Maria in Domnica (received the title on 6 February 1555), † 18 January 1559
Girolamo Simoncelli, relative of the Pope– cardinal-deacon of SS. Cosma e Damiano (received the title on 5 December 1554), then cardinal-priest of SS. Cosma e Damiano (ca. 1575?), cardinal-priest of S. Prisca (15 January 1588), cardinal-priest of S. Maria in Trastevere (30 March 1598), cardinal-bishop of Albano (21 February 1600), cardinal-bishop of Frascati (24 April 1600), cardinal-bishop of Porto e S. Rufina (16 June 1603), † 22 February 1605
