Charles Ezra Sprague (October 9, 1842 – March 21, 1912) was an American accountant, born in Nassau, Rensselaer County, New York.

During the American Civil War, Sprague served in the 44th New York Infantry, seeing action at the Battle of Gettysburg, where his unit was instrumental in helping repulse attacks on Little Round Top.

The New York State Archives stores a lengthy article Sprague wrote on his military service.

[2] In 1953 he was inducted into Ohio State University's Accounting Hall of Fame.

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