Dagfinn Dahl (28 January 1887 – 24 May 1967) was a Norwegian barrister who specialized in insurance law.
He was born in Kristiania as a son of priest Konrad Dahl (1843–1931) and Petra Jeannette Louise Lossius (1849–1901).
He finished his secondary education in 1905, graduated from the Royal Frederick University with the cand.jur.
degree in 1910 and was a barrister with access to working with Supreme Court cases from 1919.
[1] He had worked as a junior solicitor between 1910 and 1914, and was hired in the insurance company Forsikringsselskapet Sigyn in 1915.