William Patrick (February 21, 1810 – August 6, 1883) was a clergyman, merchant and political figure in Canada West.
He was born in Scarborough, Upper Canada, the son of Asa Patrick, a Scottish immigrant, and Belinda Gilbert, and was educated by the Reverend John Strachan.
Patrick married Abigail Ann, the daughter of George Brouse, in 1835.
Problems with his voice led him to leave the ministry and he opened a store in Kemptville in 1836.
He was an agent for the Provincial Mutual and General Insurance Company and a director of the Ottawa and Prescott Railway.