Louis Douglas Heck (December 14, 1918[1] – January 13, 1993[2]) was an American diplomat and State Department official.
Heck was born in Bern, Switzerland, to American parents. After graduating with a B.A. from Yale University in 1941,[1] he joined the State Department's the newly established Division of World Trade Intelligence in 1943. From 1945 to 1952, he was assistant chief and later chief of the Biographic Information Division. In 1952, he became acting director of the Office of Library Information.[1]
Heck was married twice, first to Elizabeth, with whom he had two children, then to Ernestine (née Sherman). He received the State Department's Distinguished Service Award in 1974.[4] After his retirement from the State Department, he lived in Madras, India, where he died of Parkinson's disease on January 13, 1993.[2]