| Charles A. Buckley | | Democratic | 1934 | Incumbent re-elected. | nowrap | |- ! | James M. Fitzpatrick | | Democratic | 1926 | Incumbent re-elected. | nowrap | |- ! | Ralph A. Gamble | | Republican | 1937 | Incumbent re-elected. | nowrap | |- ! | Hamilton Fish III | | Republican | 1920 | Incumbent re-elected. | nowrap | |- ! | Lewis K. Rockefeller | | Republican | 1937 | Incumbent re-elected. | nowrap | |- ! | William T. Byrne | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | E. Harold Cluett | | Republican | 1936 | Incumbent re-elected. | nowrap | |- ! | Frank Crowther | | Republican | 1918 | Incumbent re-elected. | nowrap | |- ! | Clarence E. Kilburn | | Republican | 1940 | Incumbent re-elected. | nowrap | |- ! | Francis D. Culkin | | Republican | 1928 | Incumbent re-elected. | nowrap | |- ! | Fred J. Douglas | | Republican | 1936 | Incumbent re-elected. | nowrap | |- ! | Edwin Arthur Hall | | Republican | 1939 | Incumbent re-elected. | nowrap | |- ! | Clarence E. Hancock | | Republican | 1927 | Incumbent re-elected. | nowrap | |- ! | John Taber | | Republican | 1922 | Incumbent re-elected. | nowrap | |- ! | W. Sterling Cole | | Republican | 1934 | Incumbent re-elected. | nowrap | |- ! | Joseph J. O'Brien | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | James Wolcott Wadsworth Jr. | | Republican | 1932 | Incumbent re-elected. | nowrap | |- ! | Walter Gresham Andrews | | Republican | 1930 | Incumbent re-elected. | nowrap | |- ! | J. Francis Harter | | Republican | 1938 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Pius L. Schwert | | Democratic | 1938 | Incumbent re-elected. | nowrap | |- ! | Daniel A. Reed | | Republican | 1918 | Incumbent re-elected. | nowrap | |- ! | Caroline O'Day | | Democratic | 1934 | Incumbent re-elected. | rowspan=2 nowrap | |- ! | Matthew J. Merritt | | Democratic | 1934 | Incumbent re-elected. |} North Carolina |- ! | Lindsay C. Warren |