Hartley Rowe was an American industrial engineer.
Rowe worked on the Panama Canal; for Lockwood Greene, an engineering firm; and for the United Fruit Company, where he rose to become vice president.
He was recruited to join the Manhattan Project in 1944. He worked at Los Alamos on the transition from weapons research to production on the implosion program. He was a member of the “Cowpuncher Committee,” which supervised the implosion effort. After the war, he served on the General Advisory Committee to the Atomic Energy Commission.