Henry Carleton Miller (February 1, 1828 – March 4, 1899) was a justice of the Louisiana Supreme Court from February 1, 1894, to March 4, 1899.^[1][2]

Born in Covington, Louisiana.^[3] Miller attended private schools and thereafter read law without supervision to gain admission to the bar in 1851.^[1] Miller was a United States Attorney from 1856 to 1861,^[3] and a Confederate States of America District Attorney during the American Civil War, from 1861 to 1865,^[3] appointed to the latter position by Confederate president Jefferson Davis.^[1] Later in life, Miller became a professor of law at Tulane University Law School, teaching admiralty and marine law, international law, and jurisdiction and practice of courts of admiralty.^[4] He was elected dean of the law school in 1889.^[4][3][1]

Miller became a justice of the Louisiana Supreme Court in 1894, and served until his death, in New Orleans, on March 4, 1899.^[3][1] Miller died in his home shortly after an operation intended to relieve a bout of intense pain in his intestines. Although the operation was deemed a success, and the pain was alleviated, he shortly thereafter lapsed into a coma, from which he never recovered.^[5]

Miller was married to Louisa Knox of St. Landry Parish.^[1] He was a member of The Boston Club of New Orleans.^[6]