William Sears may refer to: William Sears (Baháʼí) (1911–1992), American author, sportscaster and prominent member of the Baháʼí Faith William Sears (physician) (born 1939), American pediatrician and author William Sears (politician) (died 1929), Irish politician William J. Sears (1874–1944), U.S. Representative from Florida William R. Sears (1913–2002), American aerodynamicist William R. Sears (New York politician) (1928–1998), New York politician