Shelby Templeton Brewer (February 19, 1937 – March 19, 2015) was an American nuclear energy sector executive in private and public positions since 1978. He was Chief Executive Officer of ABB-Combustion Engineering Nuclear Power, one of the world's leading nuclear companies for ten years (1985–1995). He was the top nuclear official in the Reagan Administration from 1981–1984, serving as the Assistant Secretary of Energy for Nuclear Energy.