Torstein Einang Eckhoff (5 June 1916 – 17 April 1993) was a Norwegian civil servant and professor of law at the University of Oslo.
He was born in Vestre Slidre as the son of shipmaster Trygve Eckhoff (1884–1957) and his wife Sigrid Einang (1886–1971).
[3] Eckhoff finished his secondary education in 1934, and enrolled in law studies at the University of Oslo.
He spent a period from 1947 to 1948 in the United States; this resulted in the book Rettsvesen og rettsvitenskap i USA (1953).
He was a member of the Norwegian Academy of Science and Letters from 1955, and was promoted to professor of jurisprudence in 1957.