Francis Augustine Deleglise (February 10, 1835 – March 25, 1894) was a Swiss American immigrant, surveyor, and businessman.

During the American Civil War, he served in the famed Iron Brigade of the Army of the Potomac and was wounded at Antietam and Gettysburg.

Born in Bagnes, Valais, Switzerland, Deleglise emigrated to the United States in 1848 and settled in Wisconsin.

During the American Civil War, Deleglise served in the 6th Wisconsin Infantry Regiment and was badly wounded.

[1][2][3] The log cabin, where Deleglise and his family lived, has been preserved and located at the Langlade County Historical Society, in Antigo, Wisconsin.