Namesakes
Nobel Prize Winners:
1 physics
(physics) Ivar Giaever 1973 
Norwegian Prime Ministers:
1 prime minister
Ivar Lykke 1926-1928
Notable Scientists and Inventors:
1 physicist
Ivar Giaever 1929-
Olympic Medalists:
1 bronze/gold, 1 silver
(silver) Birger Holmqvist (a.k.a. Ivar) 1928 ice hockey
(bronze/gold) Ivar Stukolkin 1980 swimming - 400 m freestyle; swimming - 4x200 m freestyle relay