Augustus Warren Baldwin (October 1, 1776 – January 5, 1866) was a naval officer and political figure in Upper Canada.
He was born near Lisnagat in County Cork, Ireland in 1776 and joined the merchant navy in 1792, eventually being given command of his own ship.
He named his estate Russell Hill after his family's farm in Ireland.
In 1841, he was re-appointed to the Legislative Council of the Province of Canada, but he resigned some time later.
He was a director of the Bank of Upper Canada and the British America Assurance Company.