Namesakes
Characters in Norse Mythology:
1 character
Gunnar (m) 
Icelandic Presidents and Prime Ministers:
1 prime minister
(prime minister) Gunnar Thoroddsen 1980-1983
Nobel Prize Winners:
1 economics
(economics) Gunnar Myrdal 1974
Norwegian Prime Ministers:
1 prime minister
Gunnar Knudsen 1908-1910; 1913-1920
Notable Athletes:
1 soccer
(soccer) Gunnar Nordahl 1921-1995
Notable Musicians:
1 composer
Jóhann Jóhannsson (a.k.a. Gunnar) 1969-2018
Notable Philosophers and Thinkers:
1 economist
Gunnar Myrdal 1898-1987
Olympic Medalists:
3 bronze, 3 silver, 2 gold
(bronze) Gunnar Wennerström 1908 water polo
(silver) Gunnar Lindström 1924 javelin throw
(gold) Gunnar Höckert 1936 5000 m
(bronze) Stig Andersson-Tvilling (a.k.a. Gunnar) 1952 ice hockey
(silver) Gunnar Jervill 1972 archery - individual
(gold) Gunnar Larsson 1972 swimming - 200 m medley; swimming - 400 m medley
(bronze) Mats Hessel (a.k.a. Gunnar) 1984 ice hockey
(silver) Erik Karlsson (a.k.a. Gunnar) 2014 ice hockey