William Clarke

William Clarke (26 June 1843 – 9 March 1903) was an Australian businessman and member of the New South Wales Legislative Assembly.

Clarke was born in Melbourne, son of William Joseph Sayers Clarke by his marriage with Miss Mary Ann Welsford. Clarke was Minister of Justice in the fourth ministry of Sir Henry Parkes, from 20 January 1887 to 10 January 1889. He held important positions in connection with financial institutions in the colonies, and became Managing Director of the London branch of the Standard Bank of Australia. He was one of the New South Wales commissioners for the Colonial and Indian Exhibition in London in 1886.

Clarke died on in Cape Town, Western Cape, South Africa.