William Butler (1814 – 4 March 1875) was a 19th-century Member of Parliament in Auckland, New Zealand.
Butler was born in England in 1814 and went to sea at a young age. By age 24, he was commander of a sailing ship that traded with Australia. He traded and was a whaler. He settled in Mangonui (then spelled Mongonui) in Northland, New Zealand and his children were born there from 1841.[1]
He represented the Mongonui electorate from 1861 to 1866, when he retired.[2]
Butler died on 4 March 1875.