Clifford George Hildreth (December 8, 1917 – August 15, 1995) was an American econometrician.
He was a head of the Department of Economics at Michigan State University.
A native of McPherson, Kansas, Hildreth earned his bachelor's from the University of Kansas before entering Iowa State University for graduate studies.
After years at University of Chicago and North Carolina State University, he joined the faculty at Michigan State, before going to the University of Minnesota in 1964 where he held joint appointments in the Department of Economics, the School of Statistics and the Department of Agricultural and Applied Economics.
He was also a fellow of the Econometric Society and the Institute of Mathematical Statistics.