Hadley Brown Tremain

Hadley Brown Tremain (October 23, 1874 – October 11, 1951) was a lawyer and political figure in Nova Scotia, Canada. He represented Hants in the House of Commons of Canada from 1911 to 1921 as a Conservative.

He was born in Port Hood, Nova Scotia, the son of Edward D. Tremain and Emma Hadley, and was educated at the Port Hood Academy, at King's College in Windsor and at Harvard Law School. Tremain practised law in Windsor, Nova Scotia. In 1899, he married Alice Wiggins. Tremain served on the town council for Windsor from 1906 to 1909. From 1917 to 1921, he was a Unionist Party member. During World War I, Tremain was lieutenant-colonel commanding the 112th Battalion of Highlanders, which served overseas. He died in Windsor at the age of 76.