Namesakes
Fictional Characters from Plays and Musicals:
1 character
Claudio c. 1598 Much Ado About Nothing 
Notable Athletes:
5 soccer
(soccer) Branco (a.k.a. Cláudio) 1964-
(soccer) Cláudio Taffarel 1966-
(soccer) Claudio Suárez 1968-
(soccer) Claudio Bravo 1983-
(soccer) Claudio Marchisio 1986-
Notable Musicians:
1 composer, 1 musician, 1 singer
Claudio Monteverdi 1567-1643
Claudio Abbado 1933-2014
Claudio Lolli 1950-2018
Olympic Medalists:
1 silver
(silver) Cláudio Roberto Souza 2000 4x100 m relay
Saints:
1 blessed
Blessed Claudio Granzotto 1900-1947
Shakespearian Characters:
3 characters
Claudio Measure For Measure
Claudio Much Ado About Nothing
Claudius (a.k.a. Claudio) Julius Caesar