| William A. Adler, New York Kappa '45 | academic all-American in football (1943); all-American in football (1944) |
| Raul E. Allegre, Texas Alpha '84 | professional football place-kicker for Baltimore and Indianapolis Colts and New York Giants |
| Christina M. Alvord, Massachussetts Beta '90 | 1988, 1989 academic all-American in tennis (Division III) |
| Brett W. Bader, Massachussetts Beta '95 | 1993 U.S. Rowing Association academic all-American in lightweight crew |
| Douglas C. Bame, California Phi '94 | 1993 CoSIDA academic all-American in baseball (player of the year) |
| Percy M. Beard, Alabama Alpha '29 | all-American in track (1929); world record holder in 70-yard (1931), 110m, and 120-yard high hurdles; and won 110m high hurdles in 1932 Olympics |
| Joan M. Benes, Illinois Beta '87 | 1985, 1986 NAIA academic all-American in volleyball |
| Edward J. Bock, Iowa Alpha '38 | all-American in football (1938); member of College Football Hall of Fame |
| Lori S. Bocklund, South Dakota Beta '83 | five-time all-American in cross-country & track (AIWashington Div. II) |
| Denise B. Bogard, California Psi '04 | 2001-04 NCAA Division II all-american and academic all-American in swimming |
| Karen J. Brems, Illinois Alpha '84 | 1984 CoSIDA academic all-American in gymnastics (second team) |
| Molly K. Brennan, Michigan Alpha '82 | two-time all-American in track (AIWashington Div. I) and World record holder, sprint medley relay team (1980) |
| Kenneth C. Brown, New York Delta '74 | member of American eight-oared crew that won 1974 world championship |
| Avery Brundage, Illinois Alpha 1909 | two-time national decathlon champion; Amateur Athletic Union President (1929- ); American Olympic committee president (1929- ); and International Olympic committee president (1952-72). Deceased 1975 |
| Daniel H. Burkhardt, III, Texas Iota '88 | 1986 NCAA Division I all-American and NCAA academic all-American in swimming |
| Keith E. Carter, Indiana Alpha '49 | held eleven world swimming records; two-time all-American; first to break 1 minute in 100-yard breast stroke; and swam in 1948 Olympics |
| Erin M. Cihak, South Dakota Alpha '94 | academic all-American in basketball, 1993 (NAIA Div. II) |
| David R. Clark, New York Delta '82 | 1981 USA national rowing team; bronze medal in 1981 World Rowing Championships; and Intercollegiate Rowing Association championship crew team (1981, 1982) |
| Lynn A. Colella, Washington Alpha '72 | captain USA Women's Olympic swim team (1972), silver medal in 200m butterfly |
| Rick S. Dennison, Colorado Delta '79 | 1981-88 linebacker for Denver Broncos |
| Nathan W. Dougherty, New York Delta '13 | National Football Foundation Hall of Fame (1966) and commissioner of Southeastern Conference and NCAA. Deceased |
| Melinda D. Everhart, Ohio Iota '94 | 1993 second-team academic all-American in volleyball and softball |
| Marcia M. Fichtelman, Ohio Iota '87 | 1986 all-American (second team) and academic all-American in fast pitch softball (Div. III) |
| James R. Fox, Ohio Alpha '97 | 1996-97 CoSIDA academic all-American in basketball (college division team member of the year) |
| Clifford C. Furnas, Indiana Alpha '22 | competed in 5,000m run in 1920 Olympics |
| Kimberly K. Gabis, Massachussetts Alpha '92 | 1992 CoSIDA academic all-American women's at-large field hockey team |
| Ellis P. Gardner, Georgia Alpha '83 | NCAA academic and CoSIDA all-American in football (1983) |
| Norman R. Gay, New York Kappa '41 | Sports Illustrated 1941 silver anniversary football all-American (on basis of achievement since graduation) |
| Janet B. Goldman, Massachussetts Beta '89 | member 1984, 1988 U.S. Olympic speed skating team; 1988 American record holder in women's 3000m and 5000m events |
| Robert C. Good, Jr., Pennsylvania Alpha '40 | Sports Illustrated 1940 silver anniversary all-American in football (on basis of achievement since graduation) |
| Thomas R. Grovhoug, California Lambda '73 | academic all-American in baseball, university division (1972) |
| David L. Heppe, Nevada Alpha '84 | academic all-American in football, NCAA Div. I-AA (1984) |
| Michael H. Holland, Vermont Alpha '92 | member U.S. Olympic ski-jumping teams (1984, 1988); five-time national champion (70 and 90 meters); won ski jumping world cup (1985-89); set world ski-flying record in 1985 |
| Daniel H. Hoskins, Jr., Mississippi Beta '87 | 1985 (second team), 1986 academic all-American in football |
| Stefan G. Humphries, Michigan Gamma '84 | academic all-American in football (1982, 1983); and UPI, Football Writers, and Football News all-American first team in football, NCAA (1983) |
| Bryan A. Jacob, Georgia Alpha '93 | three-time national champion (1990-92), three-time collegiate all-American (1990-92) in weight-lifting (60kg class); member 1996 U.S. Olympic team |
| Fob James, Jr., Alabama Alpha '55 | all-American in football (1955) |
| Richard H. Johnson, Mississippi Alpha '52 | held international distance record for sailplanes (545 miles, 1951) |
| Tanya L. Klebe, New York Kappa '98 | 1997 CoSIDA academic all-American of the year in volleyball (college division); 1996 second-team academic all-American |
| Amy K. Lam, Pennsylvania Theta '95 | 1994 CoSIDA academic all-American in volleyball (university division second team) |
| Brent D. Lang, Michigan Gamma '90 | 1988, 1989 academic all-American in swimming; gold medallist 1988 U.S. Olympic swim team (4 x 100m free style relay); 1988 NCAA champion (100 freestyle) |
| Peter W. Likens, California Gamma '57 | National Wrestling Hall of Fame |
| Lloyd W. Madden, Colorado Alpha '41 | 1939 A.P. all-American in football (lead the nation in scoring); played for Chicago Cardinals |
| Michael S. Madsen, North Dakota Beta '96 | 1993 CoSIDA second-team (NCAA Division II) academic all- American in track/cross country in District VII |
| Vincent P. Martinelli, Massachussetts Beta '85 | academic all-American in baseball, college division (1984) |
| Patrick J. O'Neill, New York Beta '94 | 1994 CoSIDA second-team (NCAA Division I) academic all-American in football |
| David Packard, California Gamma '34 | Sports Illustrated 1958 silver anniversary all-American in football (on basis of achievement since graduation) |
| Michelle G. Palmisano, Tennessee Beta '96 | 1996-97 CoSIDA academic all-American in basketball (university division) |
| Rikke U. Pedersen, Arizona Gamma '99 | 1996-97 NCAA all-American in cross country and indoor track and field; 1996, 97, and 98 CoSIDA academic all-American |
| S.R. "Peter" Pund, Georgia Alpha '29 | all-American first team in football (1928) |
| Scott A. Remillard, New York Mu '86 | four-time NCAA all-American in hammer throw and 35 lb. weight throw; 1986 NCAA Div. III indoor national champion in 35 lb. weight throw |
| Jody L. Ross, South Dakota Alpha '94 | academic all-American in volleyball, 1993 (NAIA Div. II) |
| Timothy D. Ruddy, Indiana Gamma '94 | 1994-2002 center for Miami Dolphins; 1993-94 CoSIDA academic all-American in football |
| Craig R. Scheffler, Wisconsin Gamma '94 | professional baseball player in L.A. Dodgers organization |
| Jose R. Sifontes, Florida Alpha '89 | professional soccer player |
| Brynette A. Smith, Texas Kappa '85 | NAIA all-American in indoor track (1983, 1984) |
| Marc R. Surette, Massachussetts Zeta '86 | 1985 CoSIDA academic all-American in swimming (college division second team) |
| Frank D. Tatum, Jr., California Gamma '42 | intercollegiate golf champion (1942) |
| Roderick D. Tranum, Massachussetts Beta '93 | 1992 academic all-American of the year in football; 1993 College Football Hall of Fame scholar athlete |
| Herbert Voelcker, Massachussetts Beta '51 | national collegiate rifle champion (1951) |
| Waldo W. Wegner, Iowa A, '35 | all-American in basketball |
| Patricia Wiegand, Tennessee Alpha '91 | 1991 NCAA 3,000m champion; six-time all-American in cross country/track |
| Scott A. Yates, West Virginia Beta '92 | 1991 academic all-American in football |