Hannah Whitall Smith (1832-1911) was a lay speaker and author in the Holiness movement in the United States and the Higher Life movement in the United Kingdom of Great Britain and Ireland. She was also active in the Women’s suffrage movement and the Temperance movement.

Born in Philadelphia, Smith was from a long line of prominent and influential Quakers in New Jersey. Hannah Tatum Whitall was the daughter of John Mickle Whitall and Mary Tatum Whitall. Her most famous ancestor was Ann Cooper Whitall.