Finnish Presidents and Prime Ministers: 1 prime minister
(prime minister) Reino R. Lehto (middle name Ragnar)   1963-1964  
Icelandic Presidents and Prime Ministers: 1 president
(president) Ólafur Ragnar Grímsson   1996-2016  
Nobel Prize Winners: 1 economics, 1 medicine
(medicine) Ragnar Granit   1967  
(economics) Ragnar Frisch   1969  
Notable Athletes: 1 soccer
(soccer) Ragnar Sigurðsson   1986-  
Notable Philosophers and Thinkers: 1 economist
Ragnar Frisch   1895-1973  
Olympic Medalists: 2 bronze
(bronze) Lars-Erik Wolfbrandt (middle name Ragnar)   1948   4x400 m relay  
(bronze) Ragnar Lundberg   1952   pole vault