Samuel Wright Bodman III (born November 26, 1938) was a United States Secretary of Energy and was previously Deputy Secretary of the U.S. Treasury Department.

Born in Chicago, Illinois on November 26, 1938, Bodman spent his early years in the Chicago suburbs, before he graduated in 1961 with a B.S. in chemical engineering from Cornell University. He was a member of Alpha Sigma Phi Fraternity and the Sphinx Head Society. In 1965, he completed his Sc.D. in chemical engineering at the Massachusetts Institute of Technology (MIT). For the next six years he served as an Associate Professor of Chemical Engineering at MIT and began his work in the financial sector as Technical Director of the American Research and Development Corporation, a venture capital firm.

From there, Bodman went to Fidelity Venture Associates, a division of the Fidelity Investments. In 1983 he was named President and Chief Operating Officer of Fidelity Investments and a Director of the Fidelity Group of Mutual Funds. In 1987, he joined Cabot Corporation, a Boston-based Fortune 300 company with global business activities in specialty chemicals and materials, where he served as Chairman, Chief Executive Officer, and a Director.