Lauritz Jenssen Dorenfeldt (3 February 1909 – 15 April 1997) was a Norwegian jurist.
He was born in Kristiania as a son of engineer Lauritz Jenssen Dorenfeldt (1863–1932) and Aagot Bødtker (1869–1963).
In his early career he worked as a junior attorney from 1935 and deputy judge in Aker District Court from 1937.
In 1968 he was promoted to the Norwegian Director of Public Prosecutions, a position he retained until 1979.
[1] He was a board member of Den norske kriminalistforening, and chaired the Norwegian Fire Protection Association from 1968 to 1979.