Robert Theodore Reimann Sr. (August 17, 1936 - June 29, 2014) was a U.S. Navy rear admiral. Born in Cambridge, Massachusetts, he graduated from the Boston University College of Business Administration in 1958. He then attended the Officer Candidate School at Newport, Rhode Island, and was commissioned into the United States Naval Reserve as an ensign on May 1, 1959. At NAVSEA, Reimann helped oversee the 1988–89 repair of the guided missile frigate Samuel B. Roberts (FFG-58) by Bath Iron Works in Portland, Maine, after it was nearly sunk by an Iranian mine during Operation Earnest Will.