William Lennox may refer to: William Gordon Lennox (1884–1960), American neurologist William J. Lennox Jr. (born 1949), American army officer and president of Saint Leo University Lord William Lennox (1799–1881), British army officer William M. Lennox (1900–1991), politician from Philadelphia
Characters William Lennox (Transformers), a character played by Josh Duhamel in the film Transformers and its sequels William Lennox, villain in Black video game