Olga Imerslund (9 April 1907 – 23 August 1987) was a renowned Norwegian pediatrician.
She is best known for her contribution to identification and naming of the Imerslund-Gräsbeck syndrome.
Imerslund was born at Vang in Hedmark, Norway.
She studied medicine at the University of Oslo (1936).
During her career, she was associated with a number of hospitals including Rikshospitalet at the University of Oslo .