Nils Emil Thedin (born 10 March 1911 in Stockholm, died 1 February 1989) was a Swedish businessman and civic leader.
He served as Chairman of UNICEF at the international level from 1970 to 1972.
He was also Chairman of Sveriges Radio from 1967.
He was Vice President of the Swedish branch of Save the Children International from 1951, a board member of the Swedish International Development Cooperation Agency from 1963 and Chairman of the publishing company Liber from 1964.