# List of congressional opponents of the Vietnam War

This is a list of U.S. senators and representatives who opposed the Vietnam War. This includes those who initially supported the war, but later changed their stance to a strong opposition to it.

## Senate

| Senator | Senator | Party (at opposition) | Party (at opposition) | State | Term (at opposition) | Term (at opposition) | Ref. |
| Senator | Senator | Party (at opposition) | Party (at opposition) | State | Start | End | Ref. |
| | Frank Church | | Democratic | Idaho | 3 January 1957 | 3 January 1981 | |
| | John Sherman Cooper | | Republican | Kentucky | 7 November 1956 | 3 January 1973 | |
| | J. William Fulbright | | Democratic | Arkansas | 3 January 1945 | 31 December 1974 | |
| | Albert Gore Sr. | | Democratic | Tennessee | 3 January 1953 | 3 January 1971 | |
| | Mike Gravel | | Democratic | Alaska | 3 January 1969 | 3 January 1981 | |
| | Ernest Gruening | | Democratic | Alaska | 3 January 1959 | 3 January 1969 | |
| | Vance Hartke | | Democratic | Indiana | 3 January 1959 | 3 January 1977 | |
| | Mark Hatfield | | Republican | Oregon | 3 January 1967 | 3 January 1997 | |
| | Jacob Javits | | Republican | New York | 3 January 1957 | 3 January 1981 | |
| | Robert F. Kennedy | | Democratic | New York | 3 January 1965 | 6 June 1968 | |
| | Mike Mansfield | | Democratic | Montana | 3 January 1953 | 3 January 1977 | |
| | Charles Mathias | | Republican | Maryland | 3 January 1969 | 3 January 1987 | |
| | Eugene McCarthy | | Democratic-Farmer-Labor | Minnesota | 3 January 1959 | 3 January 1971 | |
| | George McGovern | | Democratic | South Dakota | 3 January 1963 | 3 January 1981 | |
| | Wayne Morse | | Democratic | Oregon | 3 January 1945 | 3 January 1969 | |
| | William Proxmire | | Democratic | Wisconsin | 28 August 1957 | 3 January 1989 | |

## House of Representatives

| Representative | Representative | Party (at opposition) | Party (at opposition) | District | Term (at opposition) | Term (at opposition) | Ref. |
| Representative | Representative | Party (at opposition) | Party (at opposition) | District | Start | End | Ref. |
| | Bella Abzug | | Democratic | NY-19 | 3 January 1971 | 3 January 1973 | |
| | Bella Abzug | | Democratic | NY-20 | 3 January 1973 | 3 January 1977 | |
| | Les Aspin | | Democratic | WI-01 | 3 January 1971 | 20 January 1993 | |
| | George Brown Jr. | | Democratic | CA-29 | 3 January 1963 | 3 January 1971 | |
| | Phillip Burton | | Democratic | CA-05 | 18 February 1964 | 3 January 1975 | |
| | Ron Dellums | | Democratic | CA-07 | 3 January 1971 | 3 January 1975 | |
| | Robert Drinan | | Democratic | MA-03 | 3 January 1971 | 3 January 1973 | |
| | Robert Drinan | | Democratic | MA-04 | 3 January 1973 | 3 January 1981 | |
| | Ed Koch | | Democratic | NY-17 | 3 January 1969 | 31 December 1973 | |
| | Ed Koch | | Democratic | NY-18 | 3 January 1973 | 31 December 1977 | |
| | Allard K. Lowenstein | | Democratic | NY-05 | 3 January 1969 | 3 January 1971 | |
| | Pete McCloskey | | Republican | CA-11 | 12 December 1967 | 3 January 1973 | |
| | Patsy Mink | | Democratic | Hawaii | 3 January 1965 | 3 January 1977 | |
| | Tip O'Neill | | Democratic | MA-08 | 3 January 1963 | 3 January 1987 | |
| | Henry S. Reuss | | Democratic | WI-05 | 3 January 1955 | 3 January 1983 | |
| | Donald Riegle | | Republican | MI-07 | 3 March 1967 | 30 December 1976 | |
| | James H. Scheuer | | Democratic | NY-21 | 3 January 1965 | 3 January 1973 | |
| | Eugene Siler | | Republican | KY-05 | 3 January 1963 | 3 January 1965 | |
| | Pete Stark | | Democratic | CA-08 | 3 January 1973 | 3 January 1975 | |
| | Andrew Young | | Democratic | GA-05 | 3 January 1973 | 29 January 1977 | |