Those who have left the University or are deceased (*denotes deceased). Dates listed are start and end dates as Regents Professor.
*Amundson, Neal R.
Chemical Engineering, 1967 - 1977
*Argento, Dominick
Music, 1980 - 1997
*Aris, Rutherford
Chemical Engineering, 1978 - 1996
*Armstrong, Wallace D.
Biochemistry, 1974 - 1975
*Baker, A. B.
Neurology, 1973 - 1976
*Beck, Robert H.
History and Philosophy of Education, 1976 - 1991
*Berryman, John
Humanities, 1969 - 1972
*Borchert, John R.
Geography, 1981 - 1989
*Davis, Margaret Bryan
Ecology and Behavioral Biology, 1982 - 2000
*Chipman, John S.
Economics, 1981 - 2007
*Christensen, Clyde M.
Plant Pathology, 1973 - 1974
*Clayton, Thomas
English, 1999 - 2015
*Comstock, Ralph E.
Genetics, 1968 - 1981
*Crawford, Jr., Bryce
Chemistry, 1982 - 1985
*Dagley, Stanley
Biochemistry, 1980 - 1985
*Davis, H. Ted
Chemical Engineering and Materials Science, 1997 - 2009
*Eckert, Ernst R. G.
Mechanical Engineering, 1966 - 1973
*Eckert, Ruth E.
Higher Education, 1972 - 1973
*Feigl, Herbert
Philosophy, 1967 - 1971
*Friedman, Avner
Mathematics, 1996 - 2002
*Gassman, Paul G.
Chemistry, 1988 - 1993
*Goldstein, Richard J.
Mechanical Engineering, 1990 - 2018
*Good, Robert A.
Pediatrics and Microbiology, 1969 - 1972
*Gorham, Eville
Ecology and Botany, 1984 - 1998
*Gorlin, Robert J.
Oral Pathology, 1978 - 1993
*Hartup, Willard W.
Child Development, 1993 - 1997
*Heller, Walter W.
Economics, 1967 - 1985
*Hill, Reuben L.
Family Sociology, 1973 - 1983
*Hoebel, E. Adamson
Anthropology, 1966 - 1972
*Hurwicz, Leonid
Economics, 1969 - 1998
*Jones, Tom B.
History, 1970 - 1977
*Joseph, Daniel D.
Aerospace Engineering and Mechanics, 1994 - 2005
*Kennedy, B. J.
Oncology, 1988 - 1991
Lee, Erika
History and Asian American Studies, 2018-2023
*MacKenzie, Warren
Studio Arts, 1984 - 1998
*Markus, Lawrence
Mathematics, 1980 - 1993
*McDonald, William A.
Classical Studies, 1973 - 1980
*Meehl, Paul E.
Psychology, 1968 - 1990
*Michael, Alfred F.
Pediatrics, 1986 - 2006
*Mohan, Ned
Electrical and Computer Engineering, 2019-2024
*Murphy, Paul L.
History, 1994 - 1997
*Najarian, John
Surgery, 1985 - 1995
*Ney, Edward P.
Physics and Astronomy, 1974 - 1990
*Nier, Alfred O.C.
Physics, 1966 - 1980
*Phillips, Ronald L.
Agronomy and Plant Genetics, 1993 - 2010
*Prescott, Edward C.
Economics, 1996 - 2003
Rapp, Jr., George R. (Rip)
Geoarchaeometry, UMD, 1995 - 2000
Reich, Peter B.
Forest Resources, 2007 - 2023
*Ruttan, Vernon W.
Agriculture and Applied Economics, 1986 - 1998
*Schmidt, Lanny D.
Chemical Engineering and Materials Science, 2002 - 2014
*Schuh, G. Edward
Public Affairs, 1998 - 2006
*Scriven, L. E.
Chemical Engineering and Materials Science, 1989 - 2006
*Serrin, Jr., James B.
Mathematics, 1968 - 1994
Sheppard, Eric S.
Geography, 2008 - 2012
Sikkink, Kathryn
Political Science, 2006 - 2013
*Sorauf, Frank
Political Science, 1991 - 1996
*Spink, Wesley W.
Medicine and Comparative Medicine, 1967 - 1973
*Tate, Allen
English, 1966 - 1968
*Turner, John E.
Political Science, 1974 - 1988
*Varco, Richard L.
Surgery, 1974 - 1980
*Visscher, Maurice B.
Physiology, 1967 - 1970
*Wangensteen, Owen H.
Surgery, 1966 - 1967
*Watson, Cecil J.
Medicine, 1968 - 1969
*Watson, Dennis
Microbiology, 1980 - 1984
*Weissbrodt, David
Law School, 2005 - 2018
*White, James G.
Laboratory, Medicine and Pathology, 1984 - 2012
*Wright, George T.
English, 1989 - 1993
*Wright, Herbert E.
Geology, Ecology, and Botany, 1974 - 1988