William Plant may refer to: William Plant (racewalker) (1892–1969), American racewalker that competed in the 1920 Summer Olympics William J. Plant (1847–1905), Irish-American politician in New York William Plant (sailor) (1944–2018), Jamaican sailor that competed in the 1968 Olympics
See also Bill Plante (William Madden Plante, 1938–2022), American journalist