William Edwin Knott (16 February 1921 – 19 April 2013) was an Australian politician, elected as a member of the New South Wales Legislative Assembly. He was born in Sydney, New South Wales and educated at St Mary's College, Sydney and Christian Brothers College, Strathfield and Ultimo Technical College. He was apprenticed to the New South Wales Government Railways as an electrician. He worked for five years as an interstate transport contractor. On 19 April 2013 he died at Port Macquarie hospital.