This is a list of notable persons and groups who formally endorsed or voiced support for Senator Barack Obama's presidential campaign during the Democratic Party primaries and the general election. Names listed in bold endorsed Obama before he mathematically secured the Democratic presidential nomination on June 3, 2008.

U.S. presidents and vice presidents

Former U.S. president Jimmy Carter Former U.S. president Bill Clinton Former U.S. vice president Al Gore, 2000 Democratic presidential nominee Former U.S. vice president Walter Mondale, 1984 Democratic presidential nominee

U.S. senators Current

Sen. Daniel Akaka (D-HI), Chairman of the Veterans' Affairs Committee Sen. Max Baucus (D-MT), Chairman of the Finance Committee Sen. Evan Bayh (D-IN) Sen. Joe Biden (D-DE), 2008 Democratic vice presidential nominee and former 1988 and 2008 presidential candidate Sen. Jeff Bingaman (D-NM), Chairman of the Committee on Energy and Natural Resources Sen. Barbara Boxer (D-CA), Chairwoman of the Senate Environment and Public Works Committee Sen. Sherrod Brown (D-OH) Sen. Robert Byrd (D-WV), President pro tempore of the United States Senate, Chairman of the Senate Committee on Appropriations Sen. Maria Cantwell (D-WA) Sen. Ben Cardin (D-MD) Sen. Tom Carper (D-DE) Sen. Bob Casey Jr. (D-PA) Sen. Hillary Clinton (D-NY), former 2008 presidential candidate Sen. Kent Conrad (D-ND), Chairman of the Budget Committee Sen. Chris Dodd (D-CT), former 2008 presidential candidate and Chairman of the Committee on Banking, Housing and Urban Affairs Sen. Byron Dorgan (D-ND), Chairman of the Democratic Policy Committee, and the Committee on Indian Affairs Sen. Dick Durbin (D-IL), Senate Majority Whip Sen. Russ Feingold (D-WI) Sen. Dianne Feinstein (D-CA) Sen. Tom Harkin (D-IA), Chairman of the Agriculture, Nutrition and Forestry Committee Sen. Daniel Inouye (D-HI) Sen. Tim Johnson, Chairman of the Ethics Committee (D-SD) Sen. Ted Kennedy (D-MA), Chairman of the Committee on Health, Education, Labor, and Pensions Sen. John Kerry (D-MA), 2004 Democratic presidential nominee, Chairman of the Small Business Committee Sen. Amy Klobuchar (D-MN) Sen. Herb Kohl (D-WI) Sen. Mary Landrieu (D-LA) Sen. Frank Lautenberg (D-NJ) Sen. Patrick Leahy (D-VT), Chairman of the Judiciary Committee Sen. Carl Levin (D-MI) Sen. Blanche Lincoln (D-AR) Sen. Claire McCaskill (D-MO) Sen. Bob Menendez (D-NJ) Sen. Barbara Mikulski (D-MD) Sen. Patty Murray (D-WA) Sen. Ben Nelson (D-NE) Sen. Bill Nelson (D-FL) Sen. Mark Pryor (D-AR) Sen. Jack Reed (D-RI) Sen. Harry Reid (D-NV), Senate Majority Leader Sen. Jay Rockefeller (D-WV), Chairman of the Intelligence Committee Sen. Ken Salazar (D-CO) Sen. Bernie Sanders (I-VT) Sen. Chuck Schumer (D-NY) Sen. Debbie Stabenow (D-MI) Sen. Jon Tester (D-MT) Sen. Jim Webb (D-VA) Sen. Sheldon Whitehouse (D-RI) Sen. Ron Wyden (D-OR)

Former

Fmr. Sen. Birch Bayh (D-IN) Fmr. Sen. David Boren (D-OK) Fmr. Sen. Bill Bradley (D-NJ) Fmr. Sen. Edward Brooke (R-MA) Fmr. Sen. Jean Carnahan (D-MO) Fmr. Sen. Lincoln Chafee (I-RI) (R-RI while in office) Fmr. Senate Majority Leader Tom Daschle (D-SD) Fmr. Sen. Dennis DeConcini (D-AZ) Fmr. Sen. John Edwards (D-NC), former 2008 presidential candidate and 2004 Democratic vice presidential nominee Fmr. Sen. John Glenn (D-OH), former astronaut and 1984 presidential candidate Fmr. Sen. Bob Graham (D-FL) Fmr. Sen. Gary Hart (D-CO) Fmr. Sen. Fritz Hollings (D-SC) Fmr. Shadow Sen. Jesse Jackson (D-DC) Fmr. Sen. Charles Mathias (R-MD) Fmr. Sen. George McGovern (D-SD), 1972 Democratic presidential nominee Fmr. Sen. John Melcher (D-MT) Fmr. Sen. Sam Nunn (D-GA) Fmr. Sen. Larry Pressler (R-SD) Fmr. Sen. Don Riegle (D-MI) Fmr. Sen. Lowell Weicker (I-CT) (R-CT, while in office) Fmr. Sen. Harris Wofford (D-PA)

U.S. representatives Current

Rep. Neil Abercrombie (D-HI) Rep. Gary Ackerman (D-NY) Rep. Tom Allen (D-ME) Rep. Jason Altmire (D-PA) Rep. Robert E. Andrews (D-NJ) Rep. Michael Arcuri (D-NY) Rep. Joe Baca (D-CA) Rep. Brian Baird (D-WA) Rep. John Barrow (D-GA) Rep. Tammy Baldwin (D-WI) Rep. Melissa Bean (D-IL) Rep. Xavier Becerra (D-CA) Rep. Shelley Berkley (D-NV) Rep. Howard Berman (D-CA) Rep. Marion Berry (D-AR) Rep. Sanford Bishop (D-GA) Rep. Timothy Bishop (D-NY) Rep. Earl Blumenauer (D-OR) Rep. Madeleine Bordallo (D-GU) (non-voting delegate) Rep. Rick Boucher (D-VA) Rep. Bob Brady (D-PA) Rep. Bruce Braley (D-IA) Rep. Corrine Brown (D-FL) Rep. G. K. Butterfield (D-NC) Rep. Lois Capps (D-CA) Rep. Mike Capuano (D-MA) Rep. Dennis Cardoza (D-CA) Rep. Russ Carnahan (D-MO) Rep. André Carson (D-IN) Rep. Kathy Castor (D-FL) Rep. Ben Chandler (D-KY) Rep. Yvette D. Clarke (D-NY) Rep. Lacy Clay (D-MO) Rep. Jim Clyburn (D-SC), Majority Whip Rep. Steve Cohen (D-TN) Rep. John Conyers (D-MI) Rep. Jim Cooper (D-TN) Rep. Jim Costa (D-CA) Rep. Jerry Costello (D-IL) Rep. Joe Courtney (D-CT) The Hartford Courant, May 21, 2008 Rep. Joseph Crowley (D-NY) Rep. Henry Cuellar (D-TX) Rep. Elijah Cummings (D-MD) Rep. Artur Davis (D-AL) Rep. Danny Davis (D-IL) Rep. Susan Davis (D-CA) Rep. Peter DeFazio (D-OR) Rep. Diana DeGette (D-CO) Rep. Bill Delahunt (D-MA) Rep. Rosa DeLauro (D-CT) Rep. Norm Dicks (D-WA) Rep. John Dingell (D-MI) Rep. Lloyd Doggett (D-TX) Rep. Joe Donnelly (D-IN) Rep. Mike Doyle (D-PA) Rep. Chet Edwards (D-TX) Rep. Donna Edwards (D-MD) Rep. Keith Ellison (D-MN) Rep. Brad Ellsworth (D-IN) Rep. Rahm Emanuel (D-IL) Rep. Eliot Engel (D-NY) Rep. Anna Eshoo (D-CA) Rep. Bob Etheridge (D-NC) Rep. Eni Faleomavaega (D-AS) (non-voting delegate) Rep. Sam Farr (D-CA) Rep. Chaka Fattah (D-PA) Rep. Bob Filner (D-CA) Rep. Bill Foster (D-IL) Rep. Gabby Giffords (D-AZ) Rep. Wayne Gilchrest (R-MD) Rep. Kirsten Gillibrand (D-NY) Rep. Charlie Gonzalez (D-TX) Rep. Al Green (D-TX) Rep. Raul Grijalva (D-AZ) Rep. Luis Gutierrez (D-IL) Rep. John Hall (D-NY) Rep. Phil Hare (D-IL) Rep. Alcee Hastings (D-FL) Rep. Stephanie Herseth Sandlin (D-SD) Rep. Brian Higgins (D-NY) Rep. Baron Hill (D-IN) Rep. Maurice Hinchey (D-NY) Rep. Ruben Hinojosa (D-TX) Rep. Mazie Hirono (D-HI) Rep. Paul Hodes (D-NH) Rep. Eleanor Holmes Norton (D-DC) (non-voting delegate) Rep. Rush Holt Jr. (D-NJ) Rep. Darlene Hooley (D-OR) Rep. Steny Hoyer (D-MD), House Majority Leader Rep. Jay Inslee (D-WA) Rep. Steve Israel (D-NY) Rep. Jesse Jackson Jr. (D-IL) Rep. William Jefferson (D-LA) Rep. Eddie Bernice Johnson (D-TX) Rep. Hank Johnson (D-GA) Rep. Steve Kagen (D-WI) Rep. Patrick J. Kennedy (D-RI) Rep. Dale Kildee (D-MI) Rep. Carolyn Cheeks Kilpatrick (D-MI) Rep. Ron Kind (D-WI) Rep. Ron Klein (D-FL) Rep. Dennis Kucinich (D-OH) Rep. James Langevin (D-RI) Rep. Rick Larsen (D-WA) Rep. John Larson (D-CT) Rep. Barbara Lee (D-CA) Rep. Sander Levin (D-MI) Rep. John Lewis (D-GA) Rep. Dan Lipinski (D-IL) Rep. Dave Loebsack (D-IA) Rep. Zoe Lofgren (D-CA) Rep. Nita Lowey (D-NY) Rep. Carolyn Maloney (D-NY) Rep. Jim Matheson (D-UT) Rep. Carolyn McCarthy (D-NY) Rep. Betty McCollum (D-MN) Rep. Jim McDermott (D-WA) Rep. Mike McIntyre (D-NC) Rep. Jerry McNerney (D-CA) Rep. Michael McNulty (D-NY) Rep. Kendrick Meek (D-FL) Rep. Gregory Meeks (D-NY) Rep. Mike Michaud (D-ME) Rep. Brad Miller (D-NC) Rep. George Miller (D-CA) Rep. Harry Mitchell (D-AZ) Rep. Alan Mollohan (D-WV) Rep. Dennis Moore (D-KS) Rep. Gwen Moore (D-WI) Rep. Jim Moran (D-VA) Rep. Chris Murphy (D-CT) Rep. Patrick Murphy (D-PA) Rep. Jerry Nadler (D-NY) Rep. Grace Napolitano (D-CA) Rep. Richard Neal (D-MA) Rep. Jim Oberstar (D-MN) Rep. David Obey (D-WI) Rep. John Olver (D-MA) Rep. Solomon Ortiz (D-TX) Rep. Bill Pascrell (D-NJ) Rep. Donald M. Payne (D-NJ) Rep. Nancy Pelosi (D-CA), Speaker of the House Rep. Ed Perlmutter (D-CO) Rep. Collin Peterson (D-MN) Rep. Earl Pomeroy (D-ND) Rep. David Price (D-NC) Rep. Nick Rahall (D-WV) Rep. Charles Rangel (D-NY), House Ways and Means Committee chairman Rep. Silvestre Reyes (D-TX) Rep. Mike Ross (D-AR) Rep. Steve Rothman (D-NJ) Rep. Dutch Ruppersberger (D-MD) Rep. Bobby Rush (D-IL) Rep. Tim Ryan (D-OH) Rep. John Salazar (D-CO) Rep. Linda Sánchez (D-CA) Rep. John Sarbanes (D-MD) Rep. Jan Schakowsky (D-IL) Rep. Adam Schiff (D-CA) Rep. Allyson Schwartz (D-PA) Rep. Bobby Scott (D-VA) Rep. David Scott (D-GA) Rep. José Serrano (D-NY) Rep. Joe Sestak (D-PA) Rep. Carol Shea-Porter (D-NH) Rep. Louise Slaughter (D-NY) Rep. Adam Smith (D-WA) Rep. Vic Snyder (D-AR) Rep. Zack Space (D-OH) Rep. John Spratt (D-SC) Rep. Pete Stark (D-CA) Rep. Bart Stupak (D-MI) Rep. Betty Sutton (D-OH) Rep. Bennie Thompson (D-MS) Rep. Mike Thompson (D-CA) Rep. Edolphus Towns (D-NY) Rep. Nikki Tsongas (D-MA) Rep. Stephanie Tubbs Jones (D-OH) Rep. Mark Udall (D-CO) Rep. Tom Udall (D-NM) Rep. Chris Van Hollen (D-MD) Rep. Nydia Velázquez (D-NY) Rep. Pete Visclosky (D-IN) Rep. Tim Walz (D-MN) Rep. Debbie Wasserman Schultz (D-FL) Rep. Maxine Waters (D-CA) Rep. Mel Watt (D-NC) Rep. Henry Waxman (D-CA) Rep. Anthony Weiner (D-NY) Rep. Peter Welch (D-VT) Rep. Robert Wexler (D-FL) Rep. Charlie Wilson (D-OH) Rep. David Wu (D-OR) Rep. John Yarmuth (D-KY)

Former

Fmr. Rep. John B. Anderson (I-IL) (R-IL while in office) Fmr. Rep. Berkley Bedell (D-IA) Fmr. Rep. David Bonior (D-MI) Fmr. Rep. Brad Carson (D-OK), Special Assistant to the Secretary of Defense Fmr. Rep. Don Edwards (D-CA) Fmr. Rep. Mickey Edwards (R-OK) Fmr. Rep. Robert F. Ellsworth (R-KS) Fmr. Rep. Harris W. Fawell (R-IL) Fmr. Rep. Geraldine Ferraro (D-NY), 1984 Democratic vice presidential nominee Fmr. Rep. Paul Findley (R-IL) Fmr. Rep. Lee Hamilton (D-IN), Vice Chairman of the 9/11 Commission and the Iraq Study Group Fmr. Rep. Ken Hechler (D-WV), former West Virginia Secretary of State Fmr. Rep. Andrew Jacobs (D-IN) Fmr. Rep. Jim Leach (R-IA) Fmr. Rep. Mel Levine (D-CA) Fmr. Rep. Ken Lucas (D-KY) Fmr. Rep. Romano Mazzoli (D-KY) Fmr. Rep. Pete McCloskey (D-CA) (R-CA while in office) Fmr. Rep. Abner J. Mikva (D-IL), former White House Counsel under President Clinton; Chief Judge, DC Court of Appeals Fmr. Rep. Major Owens (D-NY) Fmr. Rep. Tim Roemer (D-IN), member of the 9/11 Commission Fmr. Rep. Claudine Schneider (R-RI) Fmr. Rep. Mike Ward (D-KY) Fmr. Rep. Howard Wolpe (D-MI) Fmr. Rep. Albert Wynn (D-MD)

Governors Current

Gov. Aníbal Acevedo Vilá (D-PR) Gov. John Baldacci (D-ME) Gov. Steve Beshear (D-KY) Gov. Rod Blagojevich (D-IL) Gov. Phil Bredesen (D-TN)http://www.nashvillepost.com/news/2008/6/4/bredesen_sasser_back_obama Gov. Jon Corzine (D-NJ) Gov. Chet Culver (D-IA) Gov. Jim Doyle (D-WI) Gov. Mike Easley (D-NC) Gov. Dave Freudenthal (D-WY) Gov. Jennifer Granholm (D-MI) Gov. Christine Gregoire (D-WA) Gov. Brad Henry (D-OK)Oklahoma Governor Brad Henry Endorses Obama Gov. John de Jongh (D-VI)Governor deJongh endorses Barack Obama for President Governor de Jongh, January 3, 2008 Gov. Tim Kaine (D-VA)Obama Wins Virginia Governor's Support Associated Press, February 17, 2007 Gov. Ted Kulongoski (D-OR) Gov. John Lynch (D-NH) Gov. Joe Manchin (D-WV) Gov. Janet Napolitano (D-AZ)Napolitano will endorse Obama Arizona Republic, January 11, 2008 Gov. Martin O'Malley (D-MD) Gov. Deval Patrick (D-MA) Gov. Ed Rendell (D-PA) Gov. Bill Richardson (D-NM) Gov. Bill Ritter (D-CO) Gov. Brian Schweitzer (D-MT) Gov. Kathleen Sebelius (D-KS) Gov. Ted Strickland (D-OH)

Former

Fmr. Gov. Cecil Andrus (D-ID) Fmr. Gov. David Boren (D-OK) Fmr. Gov. Hugh Carey (D-NY)Carey Likes Clinton, Too, but Backs Obama March 2, 2008 Fmr. Gov. Arne Carlson (R-MN)Carlson, ex-GOP Minn. governor, backs Obama October 23, 2008 Fmr. Gov. Richard Codey (D-NJ) Fmr. Gov. John J. Gilligan (D-OH)Politics Extra: Gilligan endorses Obama Fmr. Gov. Bob Graham (D-FL)Former Florida Senator and Governor Bob Graham Endorses Sen. Obama