(literature) Carl Spitteler
1919 
(chemistry) Carl Bosch
1931 
(peace) Carl von Ossietzky
1935 
(physics) Carl David Anderson
1936 
(medicine) Henrik Dam (a.k.a. Carl)
1943 
(medicine) Carl Ferdinand Cori
1947 
(peace) Dag Hammarskjöld (a.k.a. Carl)
1961 
(physics) Carl Wieman
2001 
(gold) Carl Schuhmann
1896 artistic gymnastics; wrestling

(bronze) Carl Albert Andersen
1900 pole vault

(bronze/silver) Carl Johan Lind
1920 56 lb weight throw; hammer throw

(silver) Carl Johnson
1920 long jump

(gold) Carl Shy
1936 basketball

(gold) Carl Knowles
1936 basketball

(silver) Luz Long (a.k.a. Carl)
1936 long jump

(gold) Carl Cain
1956 basketball

(silver) Carl Kaufmann
1960 400 m; 4x400 m relay

(silver/gold) Carl Joseph Robie III
1964; 1968 swimming - 200 m butterfly

(bronze) Sture Andersson (a.k.a. Carl)
1980 ice hockey

(gold) Chris Cavanaugh (a.k.a. Carl)
1984 swimming - 4x100 m freestyle relay

(silver) Dwayne Norris (a.k.a. Carl)
1994 ice hockey

(silver/gold) Carl Lewis
1984; 1988; 1992; 1996 100 m; 200 m; 4x100 m relay; long jump

(bronze) Carl Verheijen
2006 speed skating

(gold) Carl Hester
2012 equestrian

(bronze/gold) Mike Bryan (a.k.a. Carl)
2008; 2012 tennis

(silver) Loui Eriksson (a.k.a. Carl)
2014 ice hockey

(gold/silver) Marcus Hellner (a.k.a. Carl)
2010; 2014 cross-country skiing

(silver) Carl Hagelin
2014 ice hockey

Adolphe, Grand Duke of Luxembourg (a.k.a. Carl)
1890-1905 Luxembourg

Carl Philip of Sweden
1979- Sweden

Henrik of Monpezat (a.k.a. Carl)
2009-2023 Denmark

Oscar of Sweden (a.k.a. Carl)
2016- Sweden

Gabriel of Sweden (a.k.a. Carl)
2017- Sweden

King Karl II (or VIII) (a.k.a. Carl)
1448-1457; 1464-1465; 1467-1470 
King Karl IX (a.k.a. Carl)
1604-1611 
King Karl X Gustav (a.k.a. Carl)
1654-1660 
King Karl XI (a.k.a. Carl)
1660-1697 
King Karl XII (a.k.a. Carl)
1697-1718 
King Karl XIII (a.k.a. Carl)
1809-1818 
King Karl XIV Johan (a.k.a. Carl)
1818-1844 
King Karl XV (a.k.a. Carl)
1859-1872 
King Carl XVI Gustaf
1973- 