Erik Waaler (22 February 1903 – 3 March 1997) was a Norwegian professor of medicine.
He was born in Hamar as a son of physician Per Waaler (1866–1923) and musician Fredrikke Amalie Holtemann Rynning (1865–1952).
[1] He finished his secondary education in Hamar in 1921, studied at the Royal Frederick University and graduated in 1927 with the candidate of medicine degree.
[2] He also co-founded the Armauer Hansen Research Institute in Addis Ababa.
[1] He was a member of the Norwegian Academy of Science and Letters from 1947 and the Selskapet til Vitenskapenes Fremme from 1952.