This is a list of members of the United States Congress who have endorsed Joe Biden's campaign for President of the United States in the 2020 U.S. presidential election.

Senate Current All 47 incumbent Democratic Senators endorsed Biden.

Tammy Baldwin, U.S. Senator from Wisconsin (2013–present), U.S. Representative from WI-02 (1999–2013) Carlos Romero Barceló, Shadow Senator from Puerto Rico (2017–2021), Resident Commissioner of Puerto Rico (1993–2001), Governor of Puerto Rico (1977–1985) Michael Bennet, U.S. Senator from Colorado (2009–present), 2020 candidate for president Richard Blumenthal, U.S. Senator from Connecticut (2011–present), Attorney General of Connecticut (1991–2011), Connecticut State Senator from the 27th District (1987–1991), Connecticut State Representative of the 145th District (1985–1987), U.S. Attorney for the District of Connecticut (1977–1981) Cory Booker, U.S. Senator from New Jersey (2013–present), Mayor of Newark, NJ (2006–2013), 2020 candidate for president Sherrod Brown, U.S. Senator from Ohio (2007–2025), U.S. Representative from OH-13 (1993–2007), Secretary of State of Ohio (1983–1991) Maria Cantwell, U.S. Senator from Washington (2001–present), former U.S. Representative from WA-01 (1993–1995) Ben Cardin, U.S. Senator from Maryland (2007–present), U.S. Representative from MD-03 (1987–2007) Tom Carper, U.S. Senator from Delaware (2001–present), Chair of the National Governors Association (1998–1999), Governor of Delaware (1993–2001), U.S. Representative from DE-AL (1983–1993), Treasurer of Delaware (1977–1983) Bob Casey Jr., U.S. Senator from Pennsylvania (2007–present), Auditor General of Pennsylvania (1997–2005) Chris Coons, U.S. Senator from Delaware (2010–present), County Executive of New Castle County (2005–2010) Tammy Duckworth, U.S. Senator from Illinois (2017–present), U.S. Representative from IL-08 (2013–2017), Assistant Secretary of Veterans Affairs for Public and Intergovernmental Affairs (2009–2011), Director of the Illinois Department of Veterans Affairs (2006–2009) Dick Durbin, U.S. Senator from Illinois (1997–present), Senate Democratic Whip (2007–present), U.S. Representative from IL-20 (1983–1997) Dianne Feinstein, U.S. Senator from California (1992–present), Mayor of San Francisco, CA (1978–1988) Kirsten Gillibrand, U.S. Senator from New York (2009–present), U.S. Representative from NY-20 (2007–2009), 2020 candidate for president Kamala Harris, U.S. Senator from California (2017–2021), 2020 nominee for Vice President, Attorney General of California, (2011–2017), District Attorney of San Francisco (2004–2011), 2020 candidate for president Maggie Hassan, U.S. Senator from New Hampshire (2017–present), Governor of New Hampshire (2013–2017), Majority Leader of the New Hampshire Senate (2008–2010), New Hampshire State Senator from District 23 (2004–2010) Martin Heinrich, U.S. Senator from New Mexico (2013–present), U.S. Representative from NM-01 (2009–2013), Member of the Albuquerque City Council (2004–2008) Mazie Hirono, U.S. Senator from Hawaii (2013–present), U.S. Representative from HI-02 (2007–2013), Lieutenant Governor of Hawaii (1994–2002) Doug Jones, U.S. Senator from Alabama (2018–2021), U.S. Attorney for the Northern District of Alabama (1997–2001) Tim Kaine, U.S. Senator from Virginia (2013–present), 2016 nominee for vice president, Chair of the Democratic National Committee (2009–2011), Governor of Virginia (2006–2010), Lieutenant Governor of Virginia (2002–2006), Mayor of Richmond, VA (1998–2001) Angus King, U.S. Senator from Maine (2013–present), Governor of Maine (1995–2003) (Independent, caucuses with Democrats) Amy Klobuchar, U.S. Senator from Minnesota (2007–present), 2020 candidate for president Patrick Leahy, U.S. Senator from Vermont (1975–2023), President pro tempore of the United States Senate (2012–2015, 2021–2023) Joe Manchin, U.S. Senator from West Virginia (2010–2025), Chair of the National Governors Association (2010), Governor of West Virginia (2005–2010), Secretary of State of West Virginia (2001–2005) Ed Markey, U.S. Senator from Massachusetts (2013–present), U.S. Representative from Massachusetts (1976–2013) Catherine Cortez Masto, U.S. Senator from Nevada (2017–present), Attorney General of Nevada (2007–2015) Bob Menendez, U.S. Senator from New Jersey (2006–present), U.S. Representative from NJ-13 (1993–2006) Jeff Merkley, U.S. Senator from Oregon (2009–present), speaker of the Oregon House of Representatives (2007–2009) Chris Murphy, U.S. Senator from Connecticut (2013–present), U.S. Representative from CT-05 (2007–2013) Patty Murray, U.S. Senator from Washington (1993–present) Gary Peters, U.S. Senator from Michigan (2015–present), U.S. Representative from MI-14 (2013–2015) and MI-09 (2009–2013) Jack Reed, U.S. Senator from Rhode Island (1997–present), U.S. Representative from RI-02 (1991–1997) Jacky Rosen, U.S. Senator from Nevada (2019–present), U.S. Representative from NV-03 (2017–2019) Bernie Sanders, U.S. Senator from Vermont (2007–present), U.S. Representative from VT-AL, Mayor of Burlington, VT (1981–1989), 2020 and 2016 candidate for president (Independent, caucuses with Democrats) Brian Schatz, U.S. Senator from Hawaii (2012–present), Lieutenant Governor of Hawaii (2010–2012), Chair of the Democratic Party of Hawaii (2008–2010) Chuck Schumer, U.S. Senator from New York (1999–present), Senate Democratic Leader (2017–present) Jeanne Shaheen, U.S. Senator from New Hampshire (2009–present), Governor of New Hampshire (1997–2003) Kyrsten Sinema, U.S. Senator from Arizona (2019–2025), U.S. Representative from AZ-09 (2013–2019) Tina Smith, U.S. Senator from Minnesota (2018–present), Lieutenant Governor of Minnesota (2015–2018) Debbie Stabenow, U.S. Senator from Michigan (2001–present), U.S. Representative from MI-08 (1997–2001) Jon Tester, U.S. Senator from Montana (2007–2025), President of the Montana Senate (2005–2007) Tom Udall, U.S. Senator from New Mexico (2009–2021), U.S. Representative from NM-03 (1999–2009), Attorney General of New Mexico (1991–1999) Chris Van Hollen, U.S. Senator from Maryland (2017–present), House Democratic Assistant to the Leader (2009–2011), U.S. Representative from MD-08 (2003–2017) Mark Warner, U.S. Senator from Virginia (2009–present), Chair of the National Governors Association (2004–2005), Governor of Virginia (2002–2006), Chair of the Virginia Democratic Party (1993–1995) Elizabeth Warren, U.S. Senator from Massachusetts (2013–present), 2020 candidate for President Sheldon Whitehouse, U.S. Senator from Rhode Island (2007–present), Attorney General of Rhode Island (1999–2003), U.S. Attorney for the District of Rhode Island (1993–1998) Ron Wyden, U.S. Senator from Oregon (1996–present), U.S. Representative from OR-03 (1981–1996)

Former

Max Baucus, U.S. Senator from Montana (1978–2014), U. S. Ambassador to China (2014–2017), Chair (2001–2003, 2007–2014) and Ranking Member (2003–2007) of the Senate Finance Committee, Chair of the Senate Environment Committee (1993–1995), United States House of Representatives from MT-01 (1975–1978); Member of the Montana House of Representatives from the 18th District (1973–1975) Evan Bayh, U.S. Senator from Indiana (1999–2011), Governor of Indiana (1989–1997) Mark Begich, U.S. Senator from Alaska (2009–2015), Mayor of Anchorage, AK (2003–2009) Jeff Bingaman, U.S. Senator from New Mexico (1983–2013), Attorney General of New Mexico (1979–1983) Barbara Boxer, U.S. Senator from California (1993–2017), U.S. Representative from CA-06 (1983–1993) Bill Bradley, U.S. Senator from New Jersey (1979–1997), 2000 candidate for President Richard Bryan, U.S. Senator from Nevada (1989–2001), Governor of Nevada (1983–1989), Attorney General of Nevada (1983–1989) Roland Burris, U.S. Senator from Illinois (2009–2010), Attorney General of Illinois (1991–1995) Jean Carnahan, U.S. Senator from Missouri (2001–2002), First Lady of Missouri (1993–2000) Max Cleland, U.S. Senator from Georgia (1997–2003), Secretary of State of Georgia (1983–1996), Administrator of Veterans Affairs (1977–1981) Kent Conrad, U.S. Senator from North Dakota (1992–2013), Tax Commissioner of North Dakota (1981–1986) Jon Corzine, U.S. Senator from New Jersey (2001–2006), Governor of New Jersey (2006–2010) Tom Daschle, U.S. Senator from South Dakota (1987–2005), Senate Democratic Leader (1995–2005), U.S. Representative from SD-AL (1983–1987) and SD-01 (1979–1983) Mark Dayton, Governor of Minnesota (2011–2019), U.S. Senator from Minnesota (2001–2007), Minnesota State Auditor (1991–1995) Dennis DeConcini, U.S. Senator from Arizona (1977–1995) Chris Dodd, U.S. Senator from Connecticut (1981–2011), General Chair of the Democratic National Committee (1995–1997), U.S. Representative from CT-02 (1975–1981) Joe Donnelly, U.S. Senator from Indiana (2013–2019), U.S. Representative from IN-02 (2007–2013) Byron Dorgan, U.S. Senator from North Dakota (1992–2011), U.S. Representative from ND-AL (1981–1992), Tax Commissioner of North Dakota (1969–1981) David Durenberger, U.S. Senator from Minnesota (1978–1995) (Formerly Republican, Independent since 2005) Jeff Flake, U.S. Senator from Arizona (2013–2019), U.S. Representative from AZ-06 (2003–2013) and AZ-01 (2001–2003) (Republican) Al Franken, U.S. Senator from Minnesota (2009–2018) Bob Graham, U.S. Senator from Florida (1987–2005), Governor of Florida (1979–1987) Heidi Heitkamp, U.S. Senator from North Dakota (2013–2019), Attorney General of North Dakota (1992–2000), Tax Commissioner of North Dakota (1986–1992) Gordon J. Humphrey, U.S. Senator from New Hampshire (1979–1990) (Independent) Tim Johnson, U.S. Senator from South Dakota (1997–2015), U.S. Representative from SD-AL (1987–1997) Ted Kaufman, U.S. Senator from Delaware (2009–2010) Bob Kerrey, U.S. Senator from Nebraska (1989–2001), Governor of Nebraska (1983–1987) Paul G. Kirk, U.S. Senator from Massachusetts (2009–2010), Chair of the Democratic National Committee (1985–1989) Herb Kohl, U.S. Senator from Wisconsin (1989–2013) Mary Landrieu, U.S. Senator from Louisiana (1997–2015), Treasurer of Louisiana, (1988–1996), Member of the Louisiana House of Representatives from the 90th district Carl Levin, U.S. Senator from Michigan (1979–2015) Joe Lieberman, U.S. Senator from Connecticut (1989–2013), 2000 nominee for vice president, Attorney General of Connecticut (1983–1989) (Democrat before 2006, Independent since 2006) Blanche Lincoln, U.S. Senator from Arkansas (1999–2011), U.S. Representative from AR-01 (1993–1997) Carol Moseley Braun, U.S. Senator from Illinois (1993–1999), U.S. Ambassador to New Zealand and Samoa (1999–2001); Cook County, Illinois Recorder of the Deeds (1988–1992); Member of the Illinois House of Representatives from the 25th district (1983–1988) and the 24th district (1979–1983) Claire McCaskill, U.S. Senator from Missouri (2007–2019), State Auditor of Missouri (1999–2007), Prosecutor of Jackson County, Missouri (1993–1998) Barbara Mikulski, U.S. Senator from Maryland (1987–2017), U.S. Representative from MD-03 (1977–1987) George J. Mitchell, U.S. Senator from Maine (1980–1995), United States Special Envoy for Northern Ireland (1995–2001) Ben Nelson, U.S. Senator from Nebraska (2001–2013), Governor of Nebraska (1991–1999) Bill Nelson, U.S. Senator from Florida (2001–2019), Treasurer of Florida (1995–2001), U.S. Representative from FL-11 (1983–1991) Sam Nunn, U.S. Senator from Georgia (1972–1997) Larry Pressler, U.S. Senator from South Dakota (1979–1997), U.S. Representative from SD-01 (1975–1979) (Republican before 2013, Independent since 2013) David Pryor, Chair of the Arkansas Democratic Party (2008–2009), U.S. Senator from Arkansas (1979–1997), Governor of Arkansas (1975–1979), U.S. Representative from AR-04 (1966–1973) Mark Pryor, U.S. Senator from Arkansas (2003–2015), Attorney General of Arkansas (1999–2003)