Namesakes
Notable Actors and Entertainers:
4 actors, 1 presenter
Sonja Henie 1912-1969 
Sonja Kastl 1929-
Sonja Barend 1940-
Eden Riegel (a.k.a. Sonja) 1981-
Sonja Kovač 1984-
Notable Athletes:
2 handball, 1 skating
(skating) Sonja Henie 1912-1969
(handball) Sonja Barjaktarović 1986-
(handball) Sonja Bašić 1987-
Olympic Medalists:
1 bronze, 1 bronze/gold, 1 gold, 1 silver
(gold) Sonja Henie 1928; 1932; 1936 figure skating
(bronze/gold) Sonja Edström 1956; 1960 cross-country skiing
(bronze) Sonja Nef 2002 alpine skiing
(silver) Sonja Barjaktarović 2012 handball
Other Royalty:
1 queen consort
Sonja of Norway 1991- Norway