Nils Christian Edgar Oker-Blom (5 August 1919 – 16 January 1995)[2] was a Finnish physician and virologist, who also served as the rector and, later, chancellor of the University of Helsinki.

Oker-Blom graduated from medical school in 1938, obtained a Licenciate of medicine degree in 1947, and Doctorate in 1948.

[3] He began his career at the University of Helsinki in 1950 as an associate professor (Dosentti) of bacteriology and serology.

[2][1] Oker-Blom served as the Dean of the Faculty of Medicine in 1968–69, as the rector of the university in 1978–1983, and finally as its chancellor in 1983–88.

[2] In 1992, Oker-Blom was granted the title of Arkkiatri (Archiater), the highest honour given to a physician in Finland, which can only be held by one person at a time.