William Henry Burgess Piddington (24 April 1856 – 27 September 1900)^[1] was an Australian politician and a member of the New South Wales Legislative Assembly for six years.^[2]

Piddington was born in Brisbane, Colony of New South Wales and educated there and Newington College whilst the school was situated at Newington House on the Parramatta River.^[3] He was the first son of London-born William Jones Killick Piddington and his Tasmanian wife Annie, née Burgess. William Snr was a Methodist minister who in later life became an Anglican.^[1] Albert Piddington was a younger brother,^[1] and Ralph Piddington was his nephew.^[4][5]

In 1872, Piddington commenced working for the Commercial Banking Company of Sydney and he was the branch manager in Walcha, New South Wales,^[2] when he won the local Legislative Assembly seat in 1894.^[6] He resigned from the Legislative Assembly on 23 May 1900 and was made bankrupt on his own petition 2 days later.^[7] He retained the seat at the resulting by-election.^[6]

He died from apoplexy whilst still a member of parliament and was survived by his wife and five children.^[1]