Guy Henderson Orcutt (July 5, 1917 – March 5, 2006) was an American econometrician. He was a long-time faculty member at the University of Wisconsin–Madison, and is known for developing the Cochrane–Orcutt estimation procedure. A native of Michigan, Orcutt earned his bachelor's, master's and doctorate degree from the University of Michigan. In 1959 he was elected as a Fellow of the American Statistical Association.