Frederick William ("Fred") Anhalt (March 3, 1896 – July 17, 1996) was a builder and contractor who constructed many distinguished rental apartment buildings in Seattle, Washington in the 1920s and early 1930s. In 1993, the Seattle Chapter of the American Institute of Architects (AIA) awarded Anhalt an honorary membership in recognition of excellence in residential design. In 2001, The Seattle Times listed Anhalt as one of the 150 most influential people in Seattle History His buildings have been referred to as "Castles in Seattle."