Emil Ermatinger (21 May 1873 in Schaffhausen, Switzerland – 17 September 1953 in Zurich) was a Swiss professor for Germanic philology.

Ermatinger studied classical philology in Zurich and Berlin. 1897 he wrote his Ph.D. thesis at the University of Zurich.^[1] His doctoral advisor was the classical archaeologist and philologist Hugo Blümner. 1909 Ermatinger became a professor for Germanic philology at ETH Zurich. 1912 till 1943 he was professor at the University of Zurich. 1939 he was visiting professor at the Columbia University in New York City.