March Madness #1 Seeds By Year
1 Seeds By Year
- 2023: TBD
- 2022: Baylor, Kansas, Arizona, Gonzaga
- 2021: Michigan, Illinois, Baylor, Gonzaga
- 2020: Tournament canceled due to the COVID-19 outbreak
- 2019: Duke, North Carolina, Virginia, Gonzaga
- 2018: Villanova, Kansas, Virginia, Xavier
- 2017: Villanova, Kansas, North Carolina, Gonzaga
- 2016: North Carolina, Virginia, Kansas, Oregon
- 2015: Villanova, Kentucky, Duke, Wisconsin
- 2014: Virginia, Wichita State, Florida, Arizona
- 2013: Indiana, Louisville, Kansas, Gonzaga
- 2012: Syracuse, North Carolina, Kentucky, Michigan State
- 2011: Ohio State, Kansas, Pittsburgh, Duke
- 2010: Kentucky, Kansas, Duke, Syracuse
- 2009: Pittsburgh, Louisville, North Carolina, Connecticut
- 2008: North Carolina, Kansas, Memphis, UCLA
- 2007: North Carolina, Florida, Ohio State, Kansas
- 2006: Connecticut, Villanova, Duke, Memphis
- 2005: North Carolina, Illinois, Duke, Washington
- 2004: St. Joseph's, Kentucky, Duke, Stanford
- 2003: Oklahoma, Kentucky, Texas, Arizona
- 2002: Maryland, Kansas, Duke, Cincinnati
- 2001: Duke, Illinois, Michigan State, Stanford
- 2000: Duke, Michigan State, Stanford, Arizona
- 1999: Duke, Michigan State, Auburn, Connecticut
- 1998: North Carolina, Kansas, Duke, Arizona
- 1997: North Carolina, Minnesota, Kansas, Kentucky
- 1996: Massachusetts, Kentucky, Connecticut, Purdue
- 1995: Wake Forest, Kansas, Kentucky, UCLA
- 1994: North Carolina, Arkansas, Purdue, Missouri
- 1993: North Carolina, Indiana, Kentucky, Michigan
- 1992: Duke, Kansas, Ohio State, UCLA
- 1991: North Carolina, Ohio State, Arkansas, UNLV
- 1990: Connecticut, Oklahoma, Michigan State, UNLV
- 1989: Georgetown, Illinois, Oklahoma, Arizona
- 1988: Temple, Purdue, Oklahoma, Arizona
- 1987: North Carolina, Indiana, Georgetown, UNLV
- 1986: Duke, Kansas, Kentucky, St. John's
- 1985: Georgetown, Oklahoma, Michigan, St. John's
- 1984: North Carolina, DePaul, Kentucky, Georgetown
- 1983: St. John's, Houston, Louisville, Virginia
- 1982: North Carolina, DePaul, Virginia, Georgetown
- 1981: Virginia, LSU, DePaul, Oregon State
- 1980: Syracuse, LSU, Kentucky, DePaul
- 1979: North Carolina, Indiana State, Notre Dame, UCLA
1 Seeds East Region By Year
- 2023: TBD
- 2022: Baylor
- 2021: Michigan
- 2020: Tournament canceled due to the COVID-19 outbreak
- 2019: Duke
- 2018: Villanova
- 2017: Villanova
- 2016: North Carolina
- 2015: Villanova
- 2014: Virginia
- 2013: Indiana
- 2012: Syracuse
- 2011: Ohio State
- 2010: Kentucky
- 2009: Pittsburgh
- 2008: North Carolina
- 2007: North Carolina
- 2006: Connecticut
- 2005: North Carolina
- 2004: St. Joseph's
- 2003: Oklahoma
- 2002: Maryland
- 2001: Duke
- 2000: Duke
- 1999: Duke
- 1998: North Carolina
- 1997: North Carolina
- 1996: Massachusetts
- 1995: Wake Forest
- 1994: North Carolina
- 1993: North Carolina
- 1992: Duke
- 1991: North Carolina
- 1990: Connecticut
- 1989: Georgetown
- 1988: Temple
- 1987: North Carolina
- 1986: Duke
- 1985: Georgetown
- 1984: North Carolina
- 1983: St. John's
- 1982: North Carolina
- 1981: Virginia
- 1980: Syracuse
- 1979: North Carolina
1 Seeds Midwest Region By Year
- 2023: TBD
- 2022: Kansas
- 2021: Illinois
- 2020: Tournament canceled due to the COVID-19 outbreak
- 2019: North Carolina
- 2018: Kansas
- 2017: Kansas
- 2016: Virginia
- 2015: Kentucky
- 2014: Wichita State
- 2013: Louisville
- 2012: North Carolina
- 2011: Kansas
- 2010: Kansas
- 2009: Louisville
- 2008: Kansas
- 2007: Florida
- 2006: Villanova
- 2005: Illinois
- 2004: Kentucky
- 2003: Kentucky
- 2002: Kansas
- 2001: Illinois
- 2000: Michigan State
- 1999: Michigan State
- 1998: Kansas
- 1997: Minnesota
- 1996: Kentucky
- 1995: Kansas
- 1994: Arkansas
- 1993: Indiana
- 1992: Kansas
- 1991: Ohio State
- 1990: Oklahoma
- 1989: Illinois
- 1988: Purdue
- 1987: Indiana
- 1986: Kansas
- 1985: Oklahoma
- 1984: DePaul
- 1983: Houston
- 1982: DePaul
- 1981: LSU
- 1980: LSU
- 1979: Indiana State
1 Seeds South Region By Year
- 2023: TBD
- 2022: Arizona
- 2021: Baylor
- 2020: Tournament canceled due to the COVID-19 outbreak
- 2019: Virginia
- 2018: Virginia
- 2017: North Carolina
- 2016: Kansas
- 2015: Duke
- 2014: Florida
- 2013: Kansas
- 2012: Kentucky
- 2011: Pittsburgh
- 2010: Duke
- 2009: North Carolina
- 2008: Memphis
- 2007: Ohio State
- 2006: Duke
- 2005: Duke
- 2004: Duke
- 2003: Texas
- 2002: Duke
- 2001: Michigan State
- 2000: Stanford
- 1999: Auburn
- 1998: Duke
- 1997: Kansas
- 1996: Connecticut
- 1995: Kentucky
- 1994: Purdue
- 1993: Kentucky
- 1992: Ohio State
- 1991: Arkansas
- 1990: Michigan State
- 1989: Oklahoma
- 1988: Oklahoma
- 1987: Georgetown
- 1986: Kentucky
- 1985: Michigan
- 1984: Kentucky
- 1983: Louisville
- 1982: Virginia
- 1981: DePaul
- 1980: Kentucky
- 1979: Notre Dame
1 Seeds West Region By Year
- 2023: TBD
- 2022: Gonzaga
- 2021: Gonzaga
- 2020: Tournament canceled due to the COVID-19 outbreak
- 2019: Gonzaga
- 2018: Xavier
- 2017: Gonzaga
- 2016: Oregon
- 2015: Wisconsin
- 2014: Arizona
- 2013: Gonzaga
- 2012: Michigan State
- 2011: Duke
- 2010: Syracuse
- 2009: Connecticut
- 2008: UCLA
- 2007: Kansas
- 2006: Memphis
- 2005: Washington
- 2004: Stanford
- 2003: Arizona
- 2002: Cincinnati
- 2001: Stanford
- 2000: Arizona
- 1999: Connecticut
- 1998: Arizona
- 1997: Kentucky
- 1996: Purdue
- 1995: UCLA
- 1994: Missouri
- 1993: Michigan
- 1992: UCLA
- 1991: UNLV
- 1990: UNLV
- 1989: Arizona
- 1988: Arizona
- 1987: UNLV
- 1986: St. John's
- 1985: St. John's
- 1984: Georgetown
- 1983: Virginia
- 1982: Georgetown
- 1981: Oregon State
- 1980: DePaul
- 1979: UCLA