Namesakes
Danish Kings and Queens:
3 kings
King Svend I Forkbeard (a.k.a. Sven) 986-1014 
King Svend II (a.k.a. Sven) 1047-1074
King Svend III Grathe (a.k.a. Sven) 1146-1157
King Sven Forkbeard 1013-1014
Norwegian Kings and Queens:
1 king
King Svein (a.k.a. Sven) 1030-1035
Notable Athletes:
5 soccer, 1 chess, 1 skating
(soccer) Sven-Göran Eriksson 1948-
(soccer) Pontus Kåmark (a.k.a. Sven) 1969-
(skating) Sven Kramer 1986-
(chess) Magnus Carlsen (a.k.a. Sven) 1990-
(soccer) Pontus Jansson (middle name Sven) 1991-
(soccer) Tino-Sven Sušić 1992-
(soccer) Sven Botman 2000-
Notable Explorers and Adventurers:
1 explorer
Sven Hedin 1865-1952
Olympic Medalists:
5 bronze, 2 silver, 1 silver/gold/bronze
(bronze) Otto Nilsson (a.k.a. Sven) 1908 javelin throw
(bronze) Sven Malm 1920 4x100 m relay
(bronze) Sven Lundgren 1920 3000 m team
(silver) Sven Lodziewski 1988 swimming - 4x200 m freestyle relay
(bronze) Sven Rothenberger 1996 equestrian
(bronze) Sven Riederer 2004 triathlon
(silver/gold/bronze) Sven Kramer 2006; 2010; 2014; 2018 speed skating
(silver) Erik Karlsson (middle name Sven) 2014 ice hockey
Swedish Kings and Queens:
1 king
King Blot-Sven 1084-1087
Swedish Prime Ministers:
1 prime minister
Olof Palme (a.k.a. Sven) 1969-1976; 1982-1986