William Edward Mattinson (1 April 1836 – 11 August 1911) was a politician in the colony of South Australia.
He was born in London, and emigrated with his parents William Edward Mattinson and his wife Mary to South Australia, arriving in April 1837 and settling on Kangaroo Island.
[1] William worked as a builder and contractor in the Port Adelaide area.
He was an active member of the Victoria Lodge of the Order of Oddfellows, and Chairman of the Port Adelaide Football Club from 1902 to 1910, when failing health forced him to resign.
He married Cecilia Susannah Willington (c. 1838 – 28 August 1928) on 29 April 1856.