William Fisher Pearson (1854 – 3 July 1888) was a 19th-century Member of Parliament in New Zealand.
Pearson was educated at Christ's College, Christchurch.
His work there impressed John Coster, who took him to England to help start the New Zealand Shipping Company.
[1] He was the son of pioneer runholder Joseph Pearson (1821–1901), one of the first pakeha to explore upper Waimakariri, for whom Lake Pearson is named and Sarah Parkinson, a sister of T. H. Parkinson, of Kaituna.
[2] He had been planning to retire at the 1887 election but changed his mind due to pressure from his constituents.