William Ryerson (31 March 1797 – 15 September 1872) was a Methodist minister and political figure in Canada West.
He was born in Maugerville, New Brunswick in 1797 and grew up in Norfolk County in Upper Canada.
The pair oversaw increase in church membership of seven, including Henry Wilkinson of St.
In 1830, with his brother John, Ryerson was a member of committee to establish the Upper Canada Academy, which later became Victoria College.
He served with the militia that put down the Upper Canada Rebellion, but also pleaded against the death penalty for the rebel leaders.