Namesakes
Austrian Chancellors and Presidents:
1 president
(president) Heinz Fischer 2004-2016 
Danish Prime Ministers:
1 prime minister
Viggo Kampmann (a.k.a. Fischer) 1960-1962
Nobel Prize Winners:
3 chemistry, 1 medicine
(chemistry) Emil Fischer 1902
(chemistry) Hans Fischer 1930
(chemistry) Ernst Otto Fischer 1973
(medicine) Edmond H. Fischer 1992
Notable Actors and Entertainers:
1 actor
Jenna Fischer 1974-
Notable Athletes:
1 chess
(chess) Bobby Fischer 1943-2008
Notable Explorers and Adventurers:
1 explorer
Gustav Adolf Fischer 1848-1886
Notable Musicians:
1 singer
Dietrich Fischer-Dieskau 1925-2012
Notable Scientists and Inventors:
2 chemists
Emil Fischer 1852-1919
Hans Fischer 1881-1945
Notable Writers:
1 author
Tibor Fischer 1959-
Olympic Medalists:
2 bronze, 1 gold, 1 silver/gold
(gold) Helga Seidler (a.k.a. Fischer) 1972 4x400 m relay
(silver/gold) Birgit Fischer 1980; 1988; 1992; 1996; 2000; 2004 canoe sprint
(bronze) Heike Fischer 2008 diving - synchronized springboard
(bronze) Joachim Fischer Nielsen 2012 badminton mixed doubles
Other Leaders:
1 prime minister
Prime Minister Jan Fischer 2009-2010 Czech Republic