Sigmund "Sig" Harris (July 2, 1883 – November 8, 1964) was an American college football player. He was University of Minnesota's All-American quarterback in 1902–04, for powerful teams under Dr. Henry L. Williams. He was also a plucky, 5 ft 5+1⁄2 in (1.66 m) 145-pound (66 kg) blocking back, punter, punt returner, and defensive safety, and played a critical role in the Little Brown Jug game between Minnesota and Michigan in 1903.