Thorleif Dahl (29 October 1907 – 9 February 1997) was a Norwegian jurist who served as a civil servant representing Nasjonal Samling during the Second World War.

[1] He worked as an attorney in his hometown until 1940, when he was hired as permanent under-secretary of state in the Ministry of the Interior.

This was during the occupation of Norway by Nazi Germany, and he had joined the Fascist party Nasjonal Samling in 1938.

[1] Dahl is regarded by historians as a knowledgeable and practical civil servant with "judicial finesse".

[2] After the war, he was convicted for treason and sentenced to five years of forced labour.