N.A.I.A. National Champions
Men's Outdoor 400-Meter Hurdles
| Year | Name | School | Performance |
| 2011 | Nick Dodson | Shorter (GA) | 50.84 |
| 2010 | Allan Ayala | Dickinson State (ND) | 50.69 |
| 2009 | Allan Ayala | Dickinson State (ND) | 50.75 |
| 2008 | Allan Ayala | Dickinson State (ND) | 51.11 |
| 2007 | Ross Harlan | Oklahoma Baptist | 50.99 |
| 2006 | Leonarde Smith | Oklahoma Baptist | 52.07 |
| 2005 | Pat Brown | Oklahoma Baptist | 49.51 |
| 2004 | Isa Phillips | Wayland Baptist (TX) | 50.39 |
| 2003 | John Karanja | Goshen (IN) | 50.70 |
| 2002 | John Karanja | Goshen (IN) | 50.82 |
| 2001 | Jamaal Jackson | Oklahoma Baptist | 50.26 |
| 2000 | Jamaal Jackson | Oklahoma Baptist | 50.44 |
| 1999 | Darren Youngstrom | Taylor (IN) | 51.38 |
| 1998 | Eldridge Darling | Southern-New Orleans | 51.60 |
| 1997 | Eldridge Darling | Southern-New Orleans | 51.98 |
| 1996 | Matt Badgett | Oklahoma Baptist | 52.80 |
| 1995 | Monte Raymond | Southern-New Orleans | 51.09 |
| 1994 | Chris Gatlin | Prairie View A&M (TX) | 51.80 |
| 1993 | Carlos Hayward | Prairie View A&M (TX) | 51.45 |
| 1992 | Chris Grant | Prairie View A&M (TX) | 52.04 |
| 1991 | Judex Lyfou | Oklahoma Baptist | 50.60 |
| 1990 | Judex Lyfou | Oklahoma Baptist | 51.16 |
| 1989 | Wilbert Johnson | Florida Memorial | 51.38 |
| 1988 | Felton Nails | Prairie View A&M (TX) | 51.34 |
| 1987 | Kevin McKinley | Prairie View A&M (TX) | 51.27 |
| 1986 | Kevin McKinley | Prairie View A&M (TX) | 50.20 |
| 1985 | Brian Arnold | Azusa Pacific (CA) | 51.15 |
| 1984 | Ed Brown | Saginaw Valley (MI) | 50.05 |
| 1983 | Ed Brown | Saginaw Valley (MI) | 50.09 |
| 1982 | Ed Brown | Saginaw Valley (MI) | 50.36 |
| 1981 | Ed Brown | Saginaw Valley (MI) | 50.96 |
| 1980 | James Baldwin | Texas Southern | 50.48 |
| 1979 | James Baldwin | Texas Southern | 51.3 |
| 1978 | James McCraney | Southern-Baton rouge | 52.14 |
| 1977 | Ronnie Gainey | Angelo State (TX) | 51.71 |
| 1976 | Charles Whigham | Texas Southern | 50.45 |
| 1975 | Doug Odell | Occidental (CA) | 51.24 |
| 1974 | Carl Stevenson | Southern-Baton Rouge | 51.6* |
| 1973 | Doug Odell | Occidental (CA) | 51.2* |
| 1972 | Melvin Bassett | North Carolina Central | 50.5 |
| 1971 | T.C. Minor | Prairie View A&M (TX) | 51.1* |
| 1970 | Corey Bouyer | Ferris State (MI) | 50.9* |
| 1969 | Jesse Ball | Prairie View A&M (TX) | 51.8* |
| 1968 | Jeff Bennett | Oklahoma Christian | 51.3 |
| 1967 | Jesse Ball | Prairie View A&M (TX) | 51.0* |
| 1966 | Robert Buries | Willamette (OR) | 53.7* |
| 1965 | David Bonds | McMurry (TX) | 53.2* |
| 1964 | Andrew McCray | North Carolina College | 51.4 |
| 1963 | Russ Rogers | Maryland State | 51.5* |
| 1962 | Russ Rogers | Maryland State | 51.9* |
| 1961 | Russ Rogers | Maryland State | 52.6* |
| 1960 | Dick Watson | Texas A&I | 51.7 |
| 1959 | Elias Gilbert | Winston-Salem (NC) | 53.6* |
| 1958 | Francis Washington | Winston-Salem (NC) | 51.5 |
| 1957 | Dave Klicker | Whitman (WA) | 53.1 |
| 1956 | Jack Shopshire | Abilene Christian | 53.7 |
| 1955 | Bob Gerdeman | Nebraska-Omaha | 53.3 |
| 1954 | Truman Medders | Panhandle State (OK) | 53.4 |
| 1953 | Bill Johnson | Pepperdine (CA) | 53.9 |
| 1952 | Burl McCoy | Abilene Christian | 55.6 |