Henry Denman Thompson (October 15, 1833 – April 14, 1911) was an American playwright and theatre actor.Rufus Thompson, a carpenter, and his wife Anne Hathaway Baxter moved in 1831 from West Swanzey, New Hampshire to Girard, Pennsylvania, where their son Henry Denman Thompson was born. In 1847, they returned to West Swanzey, where he was educated and at nineteen began work as a bookkeeper in Lowell, Massachusetts.