Isaac Wilson (1840 – 7 April 1912^[1]) was a 19th-century Member of Parliament in Canterbury, New Zealand.^[2] He represented the Kaiapoi electorate from 1881^[3] to 7 April 1884, when he resigned because of failing health, and was replaced by Edward Richardson.^[4]

In 1897 he was on the Kaiapoi Licensing Committee.^[5] and a committee member for the Kaiapoi Brass Band.^[6]

He died in Sumner, Christchurch leaving a widow (Elizabeth) and young children. He was from Wray, Westmorland and arrived with his family in New Zealand about 1854. He had various business interests including the Kaiapoi Woollen Mills; and was on the Ashley County Council, the Kaiapoi Borough and the Canterbury Provincial Council before becoming an MP (MHR) in 1881, defeating the Liberal candidate.^{[7][8][9][10]}