Thorleif Brandtmann Dahl (17 March 1891 – 5 September 1967) was a Norwegian advertising executive, publisher, and philologist.
After graduating with a degree in art in 1909, Dahl began to study philology.
exam, Thorleif Dahl first joined the foreign service.
In addition to running a business, he was secretary of the Oslo Folkeakademi for 25 years.
The core area of the foundation has been to translate Old Norse literature and classic works from antiquity and the Middle Ages into Norwegian language.