Sir William Pearce (18 March 1853 – 24 August 1932) was an English chemical manufacturer and Liberal Party politician in the East End of London, in England. He was Member of Parliament (MP) for Limehouse constituency from 1906 to 1922. He played cricket as an amateur for Kent County Cricket Club and Essex County Cricket Club in his 20s, making three first-class appearances, all of them for Kent.